GLSA 202305-09: syslog-ng: Denial of Service
Severity: | normal |
Title: | syslog-ng: Denial of Service |
Date: | 05/03/2023 |
Bugs: |
|
ID: | 202305-09 |
Synopsis
A denial of service vulnerability was discovered in rsyslog related to syslog input over the network.Background
syslog replacement with advanced filtering features.
Affected packages
Package | Vulnerable | Unaffected | Architecture(s) |
---|---|---|---|
app-admin/syslog-ng | < 3.38.1 | >= 3.38.1 | All supported architectures |
Description
An integer overflow in the RFC3164 parser allows remote attackers to cause a denial of service via crafted syslog input that is mishandled by the tcp or network function.
Impact
Attackers with access to input syslogs over syslog-ng's network functionality can cause a denial of service.
Workaround
There is no known workaround at this time.
Resolution
All syslog-ng users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/syslog-ng-3.38.1"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.