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Status published
Medium
CVE-2011-4096
The idnsGrokReply function in Squid before 3.1.16 does not properly...
Vulnerability Description
The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://bugs.squid-cache.org/show_bug.cgi?id=3237#c12
- http://www.redhat.com/support/errata/RHSA-2011-1791.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://www.openwall.com/lists/oss-security/2011/10/31/5
- http://www.securitytracker.com/id?1026265
- http://www.openwall.com/lists/oss-security/2011/11/01/3
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:193
- http://secunia.com/advisories/46609
- http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID_3_1_16.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://secunia.com/advisories/47459
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Vulnerable Versions:
0, 3.0, 3.0.stable1, 3.0.stable2, 3.0.stable3, 3.0.stable4, 3.0.stable5, 3.0.stable6, 3.0.stable7, 3.0.stable8, 3.0.stable9, 3.0.stable10, 3.0.stable11, 3.0.stable12, 3.0.stable13, 3.0.stable14, 3.0.stable15, 3.0.stable16, 3.0.stable17, 3.0.stable18, 3.0.stable19, 3.0.stable20, 3.0.stable21, 3.0.stable22, 3.0.stable23, 3.0.stable24, 3.0.stable25, 3.1, 3.1.0.1, 3.1.0.2, 3.1.0.3, 3.1.0.4, 3.1.0.5, 3.1.0.6, 3.1.0.7, 3.1.0.8, 3.1.0.9, 3.1.0.10, 3.1.0.11, 3.1.0.12, 3.1.0.13, 3.1.0.14, 3.1.0.15, 3.1.0.16, 3.1.0.17, 3.1.0.18, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.5.1, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.1.13, 3.1.14
Timeline
Official Publish:
November 17th, 2011
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.