SB2022102741 - SUSE update for dbus-1

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Reachable Assertion (CVE-ID: CVE-2022-42010)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion in debug builds caused by a syntactically invalid type signature with incorrectly nested parentheses and curly brackets. A local user can perform a denial of service (DoS) attack.

2) Out-of-bounds read (CVE-ID: CVE-2022-42011)

The vulnerability allows a local user to gain access to potentially sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error caused by an invalid array of fixed-length elements where the length of the array is not a multiple of the length of the element. A local user can trigger an out-of-bounds read and gain access to sensitive information.

3) Use-after-free (CVE-ID: CVE-2022-42012)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error caused by a message in non-native endianness with out-of-band Unix file descriptors. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2022/suse-su-20223805-1/