
Cloud Vulnerability DB
A community-led vulnerabilities database
CVE-2022-31213 is a vulnerability discovered in dbus-broker versions before 31. The issue involves multiple NULL pointer dereferences that can occur when supplying a malformed XML configuration file (CVE-MITRE, NVD).
The vulnerability occurs in the XML configuration parser of dbus-broker. When parsing XML configuration files, the parser does not properly validate NULL pointers returned by the expat library, leading to potential dereferencing of NULL pointers. This happens specifically when handling empty XML tags in the configuration file (SEC-CONSULT).
The exploitation of this vulnerability can lead to a crash of the dbus-broker service, resulting in a denial of service condition (RAPID7).
The vulnerability has been fixed in dbus-broker version 31. Users and administrators are advised to upgrade to this version or later. The fix includes proper validation of NULL pointers in the XML configuration parser (GENTOO-GLSA, GITHUB-COMPARE).
Source: This report was generated using AI
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