Improper Resource Shutdown or Release Affecting dbus-1-devel package, versions <1.12.2-8.11.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES153-DBUS1DEVEL-2667037
  • published14 Apr 2022
  • disclosed23 Aug 2021

Introduced: 23 Aug 2021

CVE-2020-12049  (opens in a new tab)
CWE-404  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 dbus-1-devel to version 1.12.2-8.11.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dbus-1-devel package and not the dbus-1-devel package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.

CVSS Scores

version 3.1