Input validation error in Squid-cache Squid



| Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-3609
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Squid
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Squid-cache.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32493

Risk: Medium

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

CVE-ID: CVE-2014-3609

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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.stable1 - 3.3.11

CPE2.3 External links

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

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.



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