Input validation error in rsyslog - CVE-2014-3683
Published: November 2, 2014 / Updated: July 28, 2020
Vulnerability identifier: #VU32476
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-3683
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (crash) via a large priority (PRI) value.
Affected software
rsyslog
Gentoo Linux
SUSE Linux
rsyslog (Alpine package)
Gentoo Linux
SUSE Linux
rsyslog (Alpine package)
How to mitigate CVE-2014-3683
Update to version 7.6.7.
rsyslog - update to 7.6.7
rsyslog (Alpine package) - update to 8.4.2-r0
rsyslog (Alpine package) - update to 8.4.2-r0
External References
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2014-10/msg00020.html
- http://lists.opensuse.org/opensuse-updates/2014-10/msg00021.html
- http://secunia.com/advisories/61494
- http://www.debian.org/security/2014/dsa-3047
- http://www.openwall.com/lists/oss-security/2014/09/30/15
- http://www.openwall.com/lists/oss-security/2014/10/03/1
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.rsyslog.com/remote-syslog-pri-vulnerability-cve-2014-3683/
- http://www.ubuntu.com/usn/USN-2381-1