Input validation error in Squid-cache Squid



| Updated: 2020-07-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-3455
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 low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32369

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-3455

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Squid: 3.2.0.1 - 3.2.13

CPE2.3 External links

https://advisories.mageia.org/MGASA-2015-0191.html
https://lists.fedoraproject.org/pipermail/package-announce/2016-May/183598.html
https://lists.opensuse.org/opensuse-updates/2015-09/msg00016.html
https://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
https://rhn.redhat.com/errata/RHSA-2015-2378.html
https://www.mandriva.com/security/advisories?name=MDVSA-2015:230
https://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://www.securityfocus.com/bid/74438
https://www.securitytracker.com/id/1032221
https://www.squid-cache.org/Advisories/SQUID-2015_1.txt


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.



###SIDEBAR###