CVE-2022-29869

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. The in-kernel CIFS filesystem relies on a set of user-space tools. That package of tools is called cifs-utils.Although not really part of Samba proper, these tools were originally part of the Samba package. For several reasons, shipping these tools as part of Samba was problematic and it was deemed better to split them off into their own package.

Security Fix(es):

cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.(CVE-2022-29869)

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges.(CVE-2022-27239)

cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.

• CVE-2022-29869: avoid leaking sensitive credential file content via verbose stderr in mount.cifs option parsing

cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.

cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges. (CVE-2022-27239)

cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file. (CVE-2022-29869)

This update for cifs-utils fixes the following issues:

• CVE-2022-29869: Fixed verbose messages on option parsing causing information leak (bsc#1198976).

This update for cifs-utils fixes the following issues:

• CVE-2022-29869: Fixed verbose messages on option parsing causing information leak (bsc#1198976).

This update for cifs-utils fixes the following issues:

• CVE-2022-29869: Fixed verbose messages on option parsing causing information leak (bsc#1198976).

This update for cifs-utils fixes the following issues:

• Fix changelog to include Bugzilla and CVE tracker id numbers missing from previous update

Aurélien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14342)

It was discovered that cifs-utils incorrectly used host credentials when mounting a krb5 CIFS file system from within a container. An attacker inside a container could possibly use this issue to obtain access to sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-20208)

It was discovered that cifs-utils incorrectly handled certain command-line arguments. A local attacker could possibly use this issue to obtain root privileges. (CVE-2022-27239)

It was discovered that cifs-utils incorrectly handled verbose logging. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2022-29869)

Aurélien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly use this issue to escalate privileges. (CVE-2020-14342)

It was discovered that cifs-utils incorrectly used host credentials when mounting a krb5 CIFS file system from within a container. An attacker inside a container could possibly use this issue to obtain access to sensitive information. (CVE-2021-20208)

It was discovered that cifs-utils incorrectly handled certain command-line arguments. A local attacker could possibly use this issue to obtain root privileges. (CVE-2022-27239)

It was discovered that cifs-utils incorrectly handled verbose logging. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2022-29869)