CVE-2013-6167

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-02-15 · updated 2026-06-17
Weakness: CWE-352

Description

Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.

Affected products

Mozilla Firefox: through 27.0

References

http://redmine.lighttpd.net/issues/2188
http://seclists.org/oss-sec/2013/q4/117
http://seclists.org/oss-sec/2013/q4/121
http://www.openwall.com/lists/oss-security/2013/04/03/10
https://bugzilla.mozilla.org/show_bug.cgi?id=858215
http://redmine.lighttpd.net/issues/2188
http://seclists.org/oss-sec/2013/q4/117
http://seclists.org/oss-sec/2013/q4/121
http://www.openwall.com/lists/oss-security/2013/04/03/10
https://bugzilla.mozilla.org/show_bug.cgi?id=858215

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