Vulnerability identifier: #VU32491

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-7141

CWE-ID: CWE-19

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 #BASIC_IMPACT#.

The pinger in Squid 3.x before 3.4.8 allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and crash) via a crafted type in an (1) ICMP or (2) ICMP6 packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Squid: 2.3.devel2 - 2.3.stable5, 3.0 - 3.4.7

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External links
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://seclists.org/oss-sec/2014/q3/539
http://seclists.org/oss-sec/2014/q3/612
http://seclists.org/oss-sec/2014/q3/626
http://secunia.com/advisories/60242
http://ubuntu.com/usn/usn-2422-1
http://www.securityfocus.com/bid/69688
http://www.squid-cache.org/Advisories/SQUID-2014_4.txt
http://bugzilla.novell.com/show_bug.cgi?id=891268

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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.