Buffer overflow in rsyslog - CVE-2014-3634
Published: November 2, 2014 / Updated: July 28, 2020
Vulnerability identifier: #VU32475
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-3634
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: rsyslog.com
Affected software:
rsyslog
rsyslog
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
rsyslog before 7.6.6 and 8.x before 8.4.1 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash), possibly execute arbitrary code, or have other unspecified impact via a crafted priority (PRI) value that triggers an out-of-bounds array access.
How to mitigate CVE-2014-3634
Install update from vendor's website.
Sources
- http://advisories.mageia.org/MGASA-2014-0411.html
- http://linux.oracle.com/errata/ELSA-2014-1654
- 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://rhn.redhat.com/errata/RHSA-2014-1397.html
- http://rhn.redhat.com/errata/RHSA-2014-1654.html
- http://rhn.redhat.com/errata/RHSA-2014-1671.html
- http://secunia.com/advisories/61494
- http://secunia.com/advisories/61720
- http://secunia.com/advisories/61930
- http://www.debian.org/security/2014/dsa-3040
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:130
- 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/
- http://www.ubuntu.com/usn/USN-2381-1