Input validation error in Squid - CVE-2015-3455
Published: May 18, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32369
CSH Severity: Low
CVSS v4: 6.3 [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]
CVE-ID: CVE-2015-3455
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Squid
squid (Alpine package)
squid
Fedora
squid (Alpine package)
squid
Fedora
How to mitigate CVE-2015-3455
Install update from vendor's website.
Squid - update to 3.2.14
squid (Alpine package) - update to 3.3.14-r0
squid - addressed in versions 3.4.13-1.fc21, 3.4.13-1.fc22, 3.4.13-2.fc22, 3.4.13-3.fc22
squid (Alpine package) - update to 3.3.14-r0
squid - addressed in versions 3.4.13-1.fc21, 3.4.13-1.fc22, 3.4.13-2.fc22, 3.4.13-3.fc22
External References
- http://advisories.mageia.org/MGASA-2015-0191.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183598.html
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00016.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
- http://rhn.redhat.com/errata/RHSA-2015-2378.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:230
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/74438
- http://www.securitytracker.com/id/1032221
- http://www.squid-cache.org/Advisories/SQUID-2015_1.txt