Improper Handling of Exceptional Conditions Affecting xrdp-devel package, versions <0.9.13.1-150200.4.24.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-SLES154-XRDPDEVEL-5922331
  • published28 Sept 2023
  • disclosed27 Sept 2023

Introduced: 27 Sep 2023

CVE-2023-40184  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 xrdp-devel to version 0.9.13.1-150200.4.24.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xrdp-devel package and not the xrdp-devel package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

xrdp is an open source remote desktop protocol (RDP) server. 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. Users (administrators) don't use restrictions by PAM are not affected. This issue has been addressed in release version 0.9.23. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS Scores

version 3.1