#VU44754 Input validation error in Squid - CVE-2011-3205
Vulnerability identifier: #VU44754
Vulnerability risk: Medium
CVSSv4.0: 2.7 [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:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Squid
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Squid-cache.org
Description
The vulnerability allows remote Gopher servers 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 (memory corruption and daemon restart) or possibly have unspecified other impact via a long line in a response.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Squid: 3.0.stable1 - 3.2.0.10
External links
https://lists.fedoraproject.org/pipermail/package-announce/2011-September/065534.html
https://lists.opensuse.org/opensuse-security-announce/2011-09/msg00012.html
https://lists.opensuse.org/opensuse-security-announce/2011-09/msg00013.html
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
https://openwall.com/lists/oss-security/2011/08/29/2
https://openwall.com/lists/oss-security/2011/08/30/4
https://openwall.com/lists/oss-security/2011/08/30/8
https://secunia.com/advisories/45805
https://secunia.com/advisories/45906
https://secunia.com/advisories/45920
https://secunia.com/advisories/45965
https://secunia.com/advisories/46029
https://securitytracker.com/id?1025981
https://www.debian.org/security/2011/dsa-2304
https://www.mandriva.com/security/advisories?name=MDVSA-2011:150
https://www.osvdb.org/74847
https://www.redhat.com/support/errata/RHSA-2011-1293.html
https://www.securityfocus.com/bid/49356
https://www.squid-cache.org/Advisories/SQUID-2011_3.txt
https://www.squid-cache.org/Versions/v2/2.HEAD/changesets/12710.patch
https://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9193.patch
https://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10363.patch
https://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11294.patch
https://bugzilla.redhat.com/show_bug.cgi?id=734583
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
