MGASA-2023-0276 - Updated xrdp packages fix security vulnerability

Publication date: 30 Sep 2023
URL: https://advisories.mageia.org/MGASA-2023-0276.html
Type: security
Affected Mageia releases: 8, 9
CVE: CVE-2023-40184

In versions prior to 0.9.23 improper handling of session establishment
errors allows bypassing OS-level session restrictions. The
`auth_start_session` function can return non-zero (1) value on, e.g.,
PAM error which may result in in session restrictions such as max
concurrent sessions per user by PAM (ex ./etc/security/limits.conf) to
be bypassed. (CVE-2023-40184)

References:
- https://bugs.mageia.org/show_bug.cgi?id=32276
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40184
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOT237TIHTHPX5YNIWLVNINOEYC7WMG2/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40184

SRPMS:
- 8/core/xrdp-0.9.23-1.mga8
- 9/core/xrdp-0.9.23-1.mga9

Mageia 2023-0276: xrdp security update

In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions

Summary

In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The `auth_start_session` function can return non-zero (1) value on, e.g., PAM error which may result in in session restrictions such as max concurrent sessions per user by PAM (ex ./etc/security/limits.conf) to be bypassed. (CVE-2023-40184)

References

- https://bugs.mageia.org/show_bug.cgi?id=32276

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40184

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOT237TIHTHPX5YNIWLVNINOEYC7WMG2/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40184

Resolution

MGASA-2023-0276 - Updated xrdp packages fix security vulnerability

SRPMS

- 8/core/xrdp-0.9.23-1.mga8

- 9/core/xrdp-0.9.23-1.mga9

Severity
Publication date: 30 Sep 2023
URL: https://advisories.mageia.org/MGASA-2023-0276.html
Type: security
CVE: CVE-2023-40184

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