SB2024112540 - Multiple vulnerabilities in linux-pam

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper authentication (CVE-ID: CVE-2024-10963)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in pam_access module where certain rules in its configuration file are mistakenly treated as hostnames. A remote attacker can bypass authentication process and gain unauthorized access to the system.

2) Insecure Storage of Sensitive Information (CVE-ID: CVE-2024-10041)

CWE-ID: CWE-922 - Insecure Storage of Sensitive Information

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to software stores secrets in memory in plain text. A local user can read the memory and obtain passwords in plain text when PAM is used to perform authentication.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/security/cve/CVE-2024-10963
• https://bugzilla.redhat.com/show_bug.cgi?id=2324291
• https://access.redhat.com/security/cve/CVE-2024-10041
• https://bugzilla.redhat.com/show_bug.cgi?id=2319212