CVE-2014-3694

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-29 · updated 2026-06-17
Weakness: CWE-310

Description

The (1) bundled GnuTLS SSL/TLS plugin and the (2) bundled OpenSSL SSL/TLS plugin in libpurple in Pidgin before 2.10.10 do not properly consider the Basic Constraints extension during verification of X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 14.10
Debian Linux: 7.0
Opensuse: 12.3, 13.1, 13.2
Pidgin: through 2.10.9; 2.10.0, 2.10.1, 2.10.2, 2.10.3, 2.10.4, 2.10.5 (+3)

References

http://hg.pidgin.im/pidgin/main/rev/2e4475087f04
http://lists.opensuse.org/opensuse-updates/2014-11/msg00023.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00037.html
http://pidgin.im/news/security/?id=86
http://secunia.com/advisories/60741
http://secunia.com/advisories/61968
http://www.debian.org/security/2014/dsa-3055
http://www.ubuntu.com/usn/USN-2390-1
https://access.redhat.com/errata/RHSA-2017:1854
http://hg.pidgin.im/pidgin/main/rev/2e4475087f04
http://lists.opensuse.org/opensuse-updates/2014-11/msg00023.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00037.html

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