CVE-2015-3455

Description

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.

Category

2.6
CVSS
Severity: Low
CVSS 2.0 •
EPSS 5.01% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2015-3455?
CVE-2015-3455 has been scored as a low severity vulnerability.
How to fix CVE-2015-3455?
To fix CVE-2015-3455, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3455 being actively exploited in the wild?
It is possible that CVE-2015-3455 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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