Input validation error in Squid-cache Squid

1) Input validation error

EUVDB-ID: #VU32492

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

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.stable1 - 3.4.7

CPE2.3

• cpe:2.3:a:squid-cache_org:squid:2.3.stable1:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:2.3.devel2:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:2.3.stable2:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:*:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:3.0.stable1:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:3.0.stable2:*:*:*:*:*:*:*
• cpe:2.3:a:squid-cache_org:squid:3.0.stable3:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
https://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
https://seclists.org/oss-sec/2014/q3/539
https://seclists.org/oss-sec/2014/q3/613
https://seclists.org/oss-sec/2014/q3/626
https://secunia.com/advisories/60242
https://ubuntu.com/usn/usn-2422-1
https://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
https://www.securityfocus.com/bid/70022
https://www.squid-cache.org/Advisories/SQUID-2014_4.txt
https://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.