SB2013030506 - Denial of service in Dnsmasq
Published: March 5, 2013 Updated: June 8, 2025
Security Bulletin ID
SB2013030506
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-3411)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application replies to requests from prohibited interfaces. A remote attacker can cause a denial of service (traffic amplification) via a spoofed DNS query.
Remediation
Install update from vendor's website.
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372
- http://rhn.redhat.com/errata/RHSA-2013-0277.html
- http://www.openwall.com/lists/oss-security/2012/07/12/5
- https://bugzilla.redhat.com/show_bug.cgi?id=833033
- http://rhn.redhat.com/errata/RHSA-2013-0276.html
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- http://rhn.redhat.com/errata/RHSA-2013-0579.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:072
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=2f38141f434e23292f84cefc33e8de76fb856147
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=54dd393f3938fc0c19088fbd319b95e37d81a2b0
- https://security.libvirt.org/2012/0001.html