SB2011022203 - Input validation error in Avahi
Published: February 22, 2011 Updated: November 20, 2023
Security Bulletin ID
SB2011022203
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2011-1002)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Green
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 (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353.
Remediation
Install update from vendor's website.
References
- http://avahi.org/ticket/325
- http://git.0pointer.de/?p=avahi.git;a=commit;h=46109dfec75534fe270c0ab902576f685d5ab3a6
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://openwall.com/lists/oss-security/2011/02/18/1
- http://openwall.com/lists/oss-security/2011/02/18/4
- http://osvdb.org/70948
- http://secunia.com/advisories/43361
- http://secunia.com/advisories/43465
- http://secunia.com/advisories/43605
- http://secunia.com/advisories/43673
- http://secunia.com/advisories/44131
- http://ubuntu.com/usn/usn-1084-1
- http://www.debian.org/security/2011/dsa-2174
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:037
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:040
- http://www.openwall.com/lists/oss-security/2011/02/22/9
- http://www.redhat.com/support/errata/RHSA-2011-0436.html
- http://www.redhat.com/support/errata/RHSA-2011-0779.html
- http://www.securityfocus.com/bid/46446
- http://www.vupen.com/english/advisories/2011/0448
- http://www.vupen.com/english/advisories/2011/0499
- http://www.vupen.com/english/advisories/2011/0511
- http://www.vupen.com/english/advisories/2011/0565
- http://www.vupen.com/english/advisories/2011/0601
- http://www.vupen.com/english/advisories/2011/0670
- http://www.vupen.com/english/advisories/2011/0969
- http://xorl.wordpress.com/2011/02/20/cve-2011-1002-avahi-daemon-remote-denial-of-service/
- https://bugzilla.redhat.com/show_bug.cgi?id=667187
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65524
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65525