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Ubuntu: (Multiple Advisories) (CVE-2022-28321): PAM vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2022-28321): PAM vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/19/2022
Created
01/26/2023
Added
01/25/2023
Modified
03/22/2023

Description

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.

Solution(s)

  • ubuntu-upgrade-libpam-modules
  • ubuntu-upgrade-ubuntu

References

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