CVE-2022-28321

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://download.opensuse.org/source/distribution/openSUSE-current/repo/oss/src/
• https://www.suse.com/security/cve/CVE-2022-28321.html
• https://bugzilla.suse.com/show_bug.cgi?id=1197654

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• http://download.opensuse.org/source/distribution/openSUSE-current/repo/oss/src/
• https://www.suse.com/security/cve/CVE-2022-28321.html
• https://bugzilla.suse.com/show_bug.cgi?id=1197654

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