CVE-2018-1126

procps-ng before version 3.3.15 is vulnerable to an incorrect integer size in proc/alloc.* leading to truncation/integer overflow issues. This flaw is related to CVE-2018-1124.

This update for procps fixes the following issues:

procps was updated to 3.3.15. (bsc#1092100)

Following security issues were fixed:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

Also this non-security issue was fixed:

• Fix CPU summary showing old data. (bsc#1121753)

The update to 3.3.15 contains the following fixes:

• library: Increment to 8:0:1 No removals, no new functions Changes: slab and pid structures
• library: Just check for SIGLOST and don't delete it
• library: Fix integer overflow and LPE in file2strvec CVE-2018-1124
• library: Use size_t for alloc functions CVE-2018-1126
• library: Increase comm size to 64
• pgrep: Fix stack-based buffer overflow CVE-2018-1125
• pgrep: Remove >15 warning as comm can be longer
• ps: Fix buffer overflow in output buffer, causing DOS CVE-2018-1123
• ps: Increase command name selection field to 64
• top: Don't use cwd for location of config CVE-2018-1122
• update translations
• library: build on non-glibc systems
• free: fix scaling on 32-bit systems
• Revert 'Support running with child namespaces'
• library: Increment to 7:0:1 No changes, no removals New fuctions: numa_init, numa_max_node, numa_node_of_cpu, numa_uninit, xalloc_err_handler
• doc: Document I idle state in ps.1 and top.1
• free: fix some of the SI multiples
• kill: -l space between name parses correctly
• library: dont use vm_min_free on non Linux
• library: don't strip off wchan prefixes (ps & top)
• pgrep: warn about 15+ char name only if -f not used
• pgrep/pkill: only match in same namespace by default
• pidof: specify separator between pids
• pkill: Return 0 only if we can kill process
• pmap: fix duplicate output line under '-x' option
• ps: avoid eip/esp address truncations
• ps: recognizes SCHED_DEADLINE as valid CPU scheduler
• ps: display NUMA node under which a thread ran
• ps: Add seconds display for cputime and time
• ps: Add LUID field
• sysctl: Permit empty string for value
• sysctl: Don't segv when file not available
• sysctl: Read and write large buffers
• top: add config file support for XDG specification
• top: eliminated minor libnuma memory leak
• top: show fewer memory decimal places (configurable)
• top: provide command line switch for memory scaling
• top: provide command line switch for CPU States
• top: provides more accurate cpu usage at startup
• top: display NUMA node under which a thread ran
• top: fix argument parsing quirk resulting in SEGV
• top: delay interval accepts non-locale radix point
• top: address a wishlist man page NLS suggestion
• top: fix potential distortion in 'Mem' graph display
• top: provide proper multi-byte string handling
• top: startup defaults are fully customizable
• watch: define HOST_NAME_MAX where not defined
• vmstat: Fix alignment for disk partition format
• watch: Support ANSI 39,49 reset sequences

This…

This update for procps fixes the following issues:

procps was updated to 3.3.15. (bsc#1092100)

Following security issues were fixed:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

Also this non-security issue was fixed:

• Fix CPU summary showing old data. (bsc#1121753)

The update to 3.3.15 contains the following fixes:

• library: Increment to 8:0:1 No removals, no new functions Changes: slab and pid structures
• library: Just check for SIGLOST and don't delete it
• library: Fix integer overflow and LPE in file2strvec CVE-2018-1124
• library: Use size_t for alloc functions CVE-2018-1126
• library: Increase comm size to 64
• pgrep: Fix stack-based buffer overflow CVE-2018-1125
• pgrep: Remove >15 warning as comm can be longer
• ps: Fix buffer overflow in output buffer, causing DOS CVE-2018-1123
• ps: Increase command name selection field to 64
• top: Don't use cwd for location of config CVE-2018-1122
• update translations
• library: build on non-glibc systems
• free: fix scaling on 32-bit systems
• Revert 'Support running with child namespaces'
• library: Increment to 7:0:1 No changes, no removals New fuctions: numa_init, numa_max_node, numa_node_of_cpu, numa_uninit, xalloc_err_handler
• doc: Document I idle state in ps.1 and top.1
• free: fix some of the SI multiples
• kill: -l space between name parses correctly
• library: dont use vm_min_free on non Linux
• library: don't strip off wchan prefixes (ps & top)
• pgrep: warn about 15+ char name only if -f not used
• pgrep/pkill: only match in same namespace by default
• pidof: specify separator between pids
• pkill: Return 0 only if we can kill process
• pmap: fix duplicate output line under '-x' option
• ps: avoid eip/esp address truncations
• ps: recognizes SCHED_DEADLINE as valid CPU scheduler
• ps: display NUMA node under which a thread ran
• ps: Add seconds display for cputime and time
• ps: Add LUID field
• sysctl: Permit empty string for value
• sysctl: Don't segv when file not available
• sysctl: Read and write large buffers
• top: add config file support for XDG specification
• top: eliminated minor libnuma memory leak
• top: show fewer memory decimal places (configurable)
• top: provide command line switch for memory scaling
• top: provide command line switch for CPU States
• top: provides more accurate cpu usage at startup
• top: display NUMA node under which a thread ran
• top: fix argument parsing quirk resulting in SEGV
• top: delay interval accepts non-locale radix point
• top: address a wishlist man page NLS suggestion
• top: fix potential distortion in 'Mem' graph display
• top: provide proper multi-byte string handling
• top: startup defaults are fully customizable
• watch: define HOST_NAME_MAX where not defined
• vmstat: Fix alignment for disk partition format
• watch: Support ANSI 39,49 reset sequences

This…

These are all security issues fixed in the libprocps8-3.3.17-5.2 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libproc2-0-4.0.2-1.1 package on the GA media of openSUSE Tumbleweed.

This update for procps fixes the following security issues:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

This update for procps fixes the following security issues:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

This update for procps fixes the following security issues:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

This update for procps fixes the following security issues:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

(These issues were previously released for SUSE Linux Enterprise 12 SP3 and SP4.)

Also the following non-security issue was fixed:

• Fix CPU summary showing old data. (bsc#1121753)

This update for procps fixes the following security issues:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

(These issues were previously released for SUSE Linux Enterprise 12 SP3 and SP4.)

Also the following non-security issue was fixed:

• Fix CPU summary showing old data. (bsc#1121753)

This update for procps fixes the following issues:

procps was updated to 3.3.15. (bsc#1092100)

Following security issues were fixed:

• CVE-2018-1122: Prevent local privilege escalation in top. If a user ran top with HOME unset in an attacker-controlled directory, the attacker could have achieved privilege escalation by exploiting one of several vulnerabilities in the config_file() function (bsc#1092100).
• CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maped a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service) (bsc#1092100).
• CVE-2018-1124: Prevent multiple integer overflows leading to a heap corruption in file2strvec function. This allowed a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users (bsc#1092100).
• CVE-2018-1125: Prevent stack buffer overflow in pgrep. This vulnerability was mitigated by FORTIFY limiting the impact to a crash (bsc#1092100).
• CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent truncation/integer overflow issues (bsc#1092100).

Also this non-security issue was fixed:

• Fix CPU summary showing old data. (bsc#1121753)

The update to 3.3.15 contains the following fixes:

• library: Increment to 8:0:1 No removals, no new functions Changes: slab and pid structures
• library: Just check for SIGLOST and don't delete it
• library: Fix integer overflow and LPE in file2strvec CVE-2018-1124
• library: Use size_t for alloc functions CVE-2018-1126
• library: Increase comm size to 64
• pgrep: Fix stack-based buffer overflow CVE-2018-1125
• pgrep: Remove >15 warning as comm can be longer
• ps: Fix buffer overflow in output buffer, causing DOS CVE-2018-1123
• ps: Increase command name selection field to 64
• top: Don't use cwd for location of config CVE-2018-1122
• update translations
• library: build on non-glibc systems
• free: fix scaling on 32-bit systems
• Revert 'Support running with child namespaces'
• library: Increment to 7:0:1 No changes, no removals New fuctions: numa_init, numa_max_node, numa_node_of_cpu, numa_uninit, xalloc_err_handler
• doc: Document I idle state in ps.1 and top.1
• free: fix some of the SI multiples
• kill: -l space between name parses correctly
• library: dont use vm_min_free on non Linux
• library: don't strip off wchan prefixes (ps & top)
• pgrep: warn about 15+ char name only if -f not used
• pgrep/pkill: only match in same namespace by default
• pidof: specify separator between pids
• pkill: Return 0 only if we can kill process
• pmap: fix duplicate output line under '-x' option
• ps: avoid eip/esp address truncations
• ps: recognizes SCHED_DEADLINE as valid CPU scheduler
• ps: display NUMA node under which a thread ran
• ps: Add seconds display for cputime and time
• ps: Add LUID field
• sysctl: Permit empty string for value
• sysctl: Don't segv when file not available
• sysctl: Read and write large buffers
• top: add config file support for XDG specification
• top: eliminated minor libnuma memory leak
• top: show fewer memory decimal places (configurable)
• top: provide command line switch for memory scaling
• top: provide command line switch for CPU States
• top: provides more accurate cpu usage at startup
• top: display NUMA node under which a thread ran
• top: fix argument parsing quirk resulting in SEGV
• top: delay interval accepts non-locale radix point
• top: address a wishlist man page NLS suggestion
• top: fix potential distortion in 'Mem' graph display
• top: provide proper multi-byte string handling
• top: startup defaults are fully customizable
• watch: define HOST_NAME_MAX where not defined
• vmstat: Fix alignment for disk partition format
• watch: Support ANSI 39,49 reset sequences

It was discovered that the procps-ng top utility incorrectly read its configuration file from the current working directory. A local attacker could possibly use this issue to escalate privileges. (CVE-2018-1122)

It was discovered that the procps-ng ps tool incorrectly handled memory. A local user could possibly use this issue to cause a denial of service. (CVE-2018-1123)

It was discovered that libprocps incorrectly handled the file2strvec() function. A local attacker could possibly use this to execute arbitrary code. (CVE-2018-1124)

It was discovered that the procps-ng pgrep utility incorrectly handled memory. A local attacker could possibly use this issue to cause de denial of service. (CVE-2018-1125)

It was discovered that procps-ng incorrectly handled memory. A local attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2018-1126)