Gentoo: GLSA-202305-09 Normal: syslog-ng Denial of Service Threat
gentoo
May 3, 2023
A denial of service vulnerability was discovered in rsyslog related to syslog input over the network.
Summary
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.
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
[ 1 ] CVE-2022-38725 https://nvd.nist.gov/vuln/detail/CVE-2022-38725
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202305-09
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: syslog-ng: Denial of Service
Date: May 03, 2023
Bugs: #891941
ID: 202305-09
Background
syslog replacement with advanced filtering features.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/syslog-ng < 3.38.1 >= 3.38.1
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.
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