#VU32493 Input validation error in Squid


Published: 2014-09-11 | Updated: 2020-07-28

Vulnerability identifier: #VU32493

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-3609

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 a remote non-authenticated attacker to perform service disruption.

HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a request with crafted "Range headers with unidentifiable byte-range values."

Mitigation
Install update from vendor's website.

Vulnerable software versions

Squid: 2.3.devel2 - 2.3.stable5, 3.0 - 3.3.11


External links
http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00025.html
http://lists.opensuse.org/opensuse-updates/2014-09/msg00029.html
http://rhn.redhat.com/errata/RHSA-2014-1147.html
http://secunia.com/advisories/60179
http://secunia.com/advisories/60334
http://secunia.com/advisories/61320
http://secunia.com/advisories/61412
http://www.debian.org/security/2014/dsa-3014
http://www.debian.org/security/2015/dsa-3139
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/69453
http://www.squid-cache.org/Advisories/SQUID-2014_2.txt
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9201.patch
http://www.ubuntu.com/usn/USN-2327-1


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.


Latest bulletins with this vulnerability