CRITICAL 9.8 Microsoft
CVE-2022-28321
The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pam_access.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a machine can still get access. NOTE: the relevance of this issue is largely limited to openSUSE Tumbleweed and openSUSE Factory; it does not affect Linux-PAM upstream.
Microsoft Security Update 2022-Sep: The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pam_access.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a machine can still get access. NOTE: the relevance of this issue is largely limited to openSUSE Tumbleweed and openSUSE Factory; it does not affect Linux-PAM upstream.
Affected Products
- cbl2 pam 1.5.1-7 on CBL Mariner 2.0
- cbl2 pam 1.5.1-7 on CBL-Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-28321
- https://nvd.nist.gov/vuln/detail/CVE-2022-28321
This critical severity vulnerability with a CVSS score of 9.8 was published on 2022-09-13 via Microsoft. Affected: cbl2 pam 1.5.1-7 on CBL Mariner 2.0, cbl2 pam 1.5.1-7 on CBL-Mariner 2.0.
Risk Timeline
CVE Disclosed2022-09-13 · 1430 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2022-28321NVD / MITRE
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