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

Related News

The End of the Road for Linux 6.11: A Call to Upgrade to Kernel 6.12
3 - 5 min read
The Linux kernel community recently issued an EOL announcement regarding the 6.11 kernel series, urging sysadmins to upgrade quickly to 6.12 . This
A Linux Admin
3 - 6 min read
As 2025 approaches, we Linux admins are facing new and often unseen cloud-native security obstacles. While skilled at mitigating known risks,
Leveraging Insights from the Linux Foundation
3 - 5 min read
The Linux Foundation's recent Census III report provides critical insights for Linux administrators, information security professionals, and anyone
Chrome 131 Released: Emergency Security Update Fixes Over a Dozen Significant Vulns
3 - 6 min read
Google recently unveiled a critical security update to their popular web browser, Google Chrome, addressing over a dozen significant security
From Wayland Fixes to Security Boosts: Examining Qt 6.8.1
3 - 6 min read
The recent Qt 6.8.1 release brings significant updates and improvements, strengthening its reputation as a secure and reliable application
Exploring Arch Linux 2024.12.01: Security Implications & Notable Enhancements for Linux Admins
3 - 6 min read
The Arch Linux 2024.12.01 ISO release marks an impressive milestone, offering cutting-edge updates that enhance functionality, streamline
Deck the Halls with Enhanced Security: Linux Kernel 6.13
3 - 5 min read
As Linux admins and infosec professionals prepare for the holiday season, there's much cause for celebration this year! Linus Torvalds recently made
Lessons from Bootkitty: Securing Linux Systems Against UEFI Intrusions
3 - 5 min read
New Linux security threats mark critical junctures that challenge existing policies and test security protocols to their limit. One such milestone

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved