The tailMatch function in cookie.c in cURL and libcurl before 7.30.0 does not properly match the path domain when sending cookies, which allows remote attackers to steal cookies via a matching suffix in the domain of a URL.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-1944
• curl/curl@2eb8dcf
• https://bugzilla.redhat.com/show_bug.cgi?id=950577
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0121
• http://curl.haxx.se/docs/adv_20130412.html
• http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102056.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102711.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104207.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104598.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105539.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106606.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00013.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00016.html
• http://rhn.redhat.com/errata/RHSA-2013-0771.html
• http://secunia.com/advisories/53044
• http://secunia.com/advisories/53051
• http://secunia.com/advisories/53097
• http://www.debian.org/security/2012/dsa-2660
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:151
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• http://www.osvdb.org/92316
• http://www.securityfocus.com/bid/59058
• http://www.ubuntu.com/usn/USN-1801-1