CVE-2011-4096
NoneCVSS
—
EPSS
37.2%
Published
Nov 17, 2011
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Debian:6.0 | squid3 | 0 | 3.1.6-1.2+squeeze2 |
| Red Hat:enterprise_linux:6::server | squid | 0 | 7:3.1.10-1.el6_2.1 |
| Red Hat:enterprise_linux:6::server | squid-debuginfo | 0 | 7:3.1.10-1.el6_2.1 |
| Red Hat:enterprise_linux:6::workstation | squid | 0 | 7:3.1.10-1.el6_2.1 |
| Red Hat:enterprise_linux:6::workstation | squid-debuginfo | 0 | 7:3.1.10-1.el6_2.1 |
| SUSE:Linux Enterprise Server 11 SP4 | squid3 | 0 | 3.1.23-8.16.30.1 |
| SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | squid3 | 0 | 3.1.23-8.16.30.1 |
Related vulnerabilities
- CVE-2015-5400 Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured… Also affects squid3
- CVE-2014-3609 HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers… Also affects squid3
- CVE-2013-0189 cachemgr.cgi in Squid 3.1.x and 3.2.x, possibly 3.1.22, 3.2.4, and other versions, allows… Also affects squid3
- CVE-2012-5643 Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before… Also affects squid3
- CVE-2011-3205 Buffer overflow in the gopherToHTML function in gopher.cc in the Gopher reply parser in… Also affects squid3
- CVE-2016-4556 Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10… Also affects squid
- CVE-2016-4554 mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended… Also affects squid
- CVE-2016-4054 Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers… Also affects squid