Input validation error in Squid-cache Squid

1) Input validation error

EUVDB-ID: #VU32492

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-2014-7142

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 (crash) via a crafted (1) ICMP or (2) ICMP6 packet size.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Squid: 2.3.devel2 - 3.4.7

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/q3/613
http://seclists.org/oss-sec/2014/q3/626
http://secunia.com/advisories/60242
http://ubuntu.com/usn/usn-2422-1
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/70022
http://www.squid-cache.org/Advisories/SQUID-2014_4.txt
http://bugzilla.novell.com/show_bug.cgi?id=891268

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.