CVE-2016-2226

Integer overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute arbitrary code via a crafted executable, which triggers a buffer overflow.

• SECURITY UPDATE:
  • CVE-*.patch: backported many upstream patches to fix security issues.
  • CVE-2016-2226, CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131, CVE-2016-4491, CVE-2017-6965, CVE-2017-6966, CVE-2017-6969, CVE-2017-7209, CVE-2017-7210, CVE-2017-7223, CVE-2017-7224, CVE-2017-7225, CVE-2017-7226, CVE-2017-7227, CVE-2017-7299, CVE-2017-7300, CVE-2017-7301, CVE-2017-7302, CVE-2017-7614, CVE-2017-8393, CVE-2017-8394, CVE-2017-8395, CVE-2017-8397, CVE-2017-8396, CVE-2017-8398, CVE-2017-8421, CVE-2017-9038, CVE-2017-9039, CVE-2017-9040, CVE-2017-9042, CVE-2017-9041, CVE-2017-9044, CVE-2017-9742, CVE-2017-9744, CVE-2017-9752, CVE-2017-9745, CVE-2017-9746, CVE-2017-9747, CVE-2017-9748, CVE-2017-9749, CVE-2017-9750, CVE-2017-9751, CVE-2017-9753, CVE-2017-9754, CVE-2017-9755, CVE-2017-9756, CVE-2017-9954, CVE-2017-12448, CVE-2017-12449, CVE-2017-12455, CVE-2017-12457, CVE-2017-12458, CVE-2017-12459, CVE-2017-12450, CVE-2017-12452, CVE-2017-12453, CVE-2017-12454, CVE-2017-12456, CVE-2017-14333, CVE-2017-12451, CVE-2017-12799, CVE-2017-12967, CVE-2017-13710, CVE-2017-14128, CVE-2017-14129, CVE-2017-14130, CVE-2017-14529, CVE-2017-14930, CVE-2017-14932, CVE-2017-14938, CVE-2017-14939, CVE-2017-14940, CVE-2017-15020, CVE-2017-15021, CVE-2017-15022, CVE-2017-15024, CVE-2017-15025, CVE-2017-15225, CVE-2017-15938, CVE-2017-15939, CVE-2017-15996, CVE-2017-16826, CVE-2017-16827, CVE-2017-16828, CVE-2017-16831, CVE-2017-16832, CVE-2017-17080, CVE-2017-17121, CVE-2017-17123, CVE-2017-17124, CVE-2018-6323, CVE-2018-6543, CVE-2018-6759, CVE-2018-7208, CVE-2018-7568, CVE-2018-7569, CVE-2018-7642, CVE-2018-7643, CVE-2018-8945, CVE-2018-13033, CVE-2018-9138, CVE-2018-12641, CVE-2018-12697, CVE-2018-12698, CVE-2018-12699, CVE-2018-12700, CVE-2018-17794, CVE-2018-17985, CVE-2018-18484, CVE-2018-18700, CVE-2018-18701, CVE-2018-10372, CVE-2018-10373, CVE-2018-10534, CVE-2018-10535, CVE-2018-12934, CVE-2018-18483, CVE-2018-17358, CVE-2018-17359, CVE-2018-17360, CVE-2018-18309, CVE-2018-18605, CVE-2018-18606, CVE-2018-18607, CVE-2018-19931, CVE-2018-19932, CVE-2018-20002, CVE-2018-20623, CVE-2018-20671, CVE-2018-1000876, CVE-2017-17125, CVE-2019-9073, CVE-2019-9074, CVE-2019-9075, CVE-2019-9077, CVE-2019-9070, CVE-2019-9071, CVE-2019-12972, CVE-2019-14250, CVE-2019-14444, CVE-2019-17450, CVE-2019-17451

• CVE-2018-6323: Fix unsigned integer overflow
• CVE-2018-19931: Fix heap-based buffer overflow in bfd_elf32_swap_phdr_in
• CVE-2018-6543: Fix integer overflow
• CVE-2018-20671: Fix integer overflow vulnerability
• CVE-2018-6759: Fix segmentation fault
• CVE-2018-7208: Fix segmentation fault
• CVE-2018-7568: Fix integer overflow
• CVE-2018-7569: Fix integer underflow or overflow
• CVE-2018-7642: Fix aout_32_swap_std_reloc_out NULL pointer dereference
• CVE-2018-7643: Fix integer overflow
• CVE-2018-8945: Fix segmentation fault
• CVE-2018-13033: Fix excessive memory allocation
• CVE-2018-10373: Fix NULL pointer dereference
• CVE-2018-10535: Fix NULL pointer dereference
• CVE-2018-18309: Fix invalid memory address dereference
• CVE-2018-18605: Fix mishandles section merges
• CVE-2018-18606: Fix NULL pointer dereference
• CVE-2018-18607: Fix NULL pointer dereference in elf_link_input_bfd
• CVE-2018-19932: Fix integer overflow and infinite loop
• CVE-2018-20002: Fix memory consumption
• CVE-2018-20623: Fix use-after-free in the error function
• CVE-2018-1000876: Fix integer overflow trigger heap overflow
• CVE-2019-9073: Fix excessive memory allocation
• CVE-2019-9075: Fix heap-based buffer overflow in _bfd_archive_64_bit_slurp_armap
• CVE-2019-9077: Fix heap-based buffer overflow in process_mips_specific
• CVE-2019-12972: Fix heap-based buffer over-read in _bfd_doprnt
• CVE-2019-14444: Fix integer overflow
• CVE-2019-17450: Fix infinite recursion
• CVE-2016-2226: Fix integer overflow in the string_appends function in cplus-dem.c
• CVE-2016-4487: Fix use-after-free vulnerability in libiberty
• CVE-2016-4488: Fix use-after-free vulnerability in libiberty
• CVE-2016-4489: Fix integer overflow in libiberty
• CVE-2016-4490: Fix integer overflow in cp-demangle.c in libiberty
• CVE-2016-4492: Fix buffer overflow in the do_type function in cplus-dem.c in libiberty
• CVE-2016-4493: Fix out-of-bounds read in demangle_template_value_parm and do_hpacc_template_literal
• CVE-2016-6131: Fix infinite loop, stack overflow

• CVE-2018-6323: Fix unsigned integer overflow
• CVE-2018-19931: Fix heap-based buffer overflow in bfd_elf32_swap_phdr_in
• CVE-2018-6543: Fix integer overflow
• CVE-2018-20671: Fix integer overflow vulnerability
• CVE-2018-6759: Fix segmentation fault
• CVE-2018-7208: Fix segmentation fault
• CVE-2018-7568: Fix integer overflow
• CVE-2018-7569: Fix integer underflow or overflow
• CVE-2018-7642: Fix aout_32_swap_std_reloc_out NULL pointer dereference
• CVE-2018-7643: Fix integer overflow
• CVE-2018-8945: Fix segmentation fault
• CVE-2018-13033: Fix excessive memory allocation
• CVE-2018-10373: Fix NULL pointer dereference
• CVE-2018-10535: Fix NULL pointer dereference
• CVE-2018-18309: Fix invalid memory address dereference
• CVE-2018-18605: Fix mishandles section merges
• CVE-2018-18606: Fix NULL pointer dereference
• CVE-2018-18607: Fix NULL pointer dereference in elf_link_input_bfd
• CVE-2018-19932: Fix integer overflow and infinite loop
• CVE-2018-20002: Fix memory consumption
• CVE-2018-20623: Fix use-after-free in the error function
• CVE-2018-1000876: Fix integer overflow trigger heap overflow
• CVE-2019-9073: Fix excessive memory allocation
• CVE-2019-9075: Fix heap-based buffer overflow in _bfd_archive_64_bit_slurp_armap
• CVE-2019-9077: Fix heap-based buffer overflow in process_mips_specific
• CVE-2019-12972: Fix heap-based buffer over-read in _bfd_doprnt
• CVE-2019-14444: Fix integer overflow
• CVE-2019-17450: Fix infinite recursion
• CVE-2016-2226: Fix integer overflow in the string_appends function in cplus-dem.c
• CVE-2016-4487: Fix use-after-free vulnerability in libiberty
• CVE-2016-4488: Fix use-after-free vulnerability in libiberty
• CVE-2016-4489: Fix integer overflow in libiberty
• CVE-2016-4490: Fix integer overflow in cp-demangle.c in libiberty
• CVE-2016-4492: Fix buffer overflow in the do_type function in cplus-dem.c in libiberty
• CVE-2016-4493: Fix out-of-bounds read in demangle_template_value_parm and do_hpacc_template_literal
• CVE-2016-6131: Fix infinite loop, stack overflow

It was discovered that Valgrind incorectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could possibly execute arbitrary code (CVE-2016-2226).

It was discovered that Valgrind incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause Valgrind to crash, resulting in a denial of service (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4491, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131).

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2014-8501).

It was discovered that gdb incorrectly handled printing bad bytes in Intel Hex objects. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service (CVE-2014-9939).

It was discovered that gdb incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2016-2226).

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4491, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131).

Exploitable buffer overflow (CVE-2016-2226).

Invalid write due to a use-after-free to array btypevec (CVE-2016-4487).

Invalid write due to a use-after-free to array ktypevec (CVE-2016-4488).

Invalid write due to integer overflow (CVE-2016-4489).

Write access violation (CVE-2016-4490).

Write access violations (CVE-2016-4492).

Read access violations (CVE-2016-4493).

Stack buffer overflow when printing bad bytes in Intel Hex objects (CVE-2016-6131).

readelf in GNU Binutils 2.28 is vulnerable to a heap-based buffer over-read while processing corrupt RL78 binaries. The vulnerability can trigger program crashes. It may lead to an information leak as well (CVE-2017-6969).

objdump in GNU Binutils 2.28 is vulnerable to multiple heap-based buffer over-reads (of size 1 and size 8) while handling corrupt STABS enum type strings in a crafted object file, leading to program crash (CVE-2017-7210).

It was discovered that Valgrind incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-2226)

It was discovered that Valgrind incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause Valgrind to crash, resulting in a denial of service. (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4491, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131)

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-8501)

It was discovered that gdb incorrectly handled printing bad bytes in Intel Hex objects. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-9939)

It was discovered that gdb incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2226)

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131)

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service. (CVE-2016-4491)

It was discovered that libiberty incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2226)

It was discovered that libiberty incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4492, CVE-2016-4493, CVE-2016-6131)

It was discovered that libiberty incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty to crash, resulting in a denial of service. (CVE-2016-4491)

USN-4336-1 fixed several vulnerabilities in GNU binutils. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that GNU binutils contained a large number of security issues. If a user or automated system were tricked into processing a specially-crafted file, a remote attacker could cause GNU binutils to crash, resulting in a denial of service, or possibly execute arbitrary code.