CVE-2012-5524

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-02-08 · updated 2026-06-16
Weakness: CWE-20

Description

The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote attackers to conduct man-in-the-middle (MITM) attacks and spoof servers via an arbitrary certificate from a trusted CA.

Affected products

Gajim: through 0.15.2; 0.1, 0.2, 0.2.1, 0.3, 0.4, 0.4.1 (+38)

References

http://security.gentoo.org/glsa/glsa-201401-02.xml
http://www.openwall.com/lists/oss-security/2012/11/11/6
https://trac.gajim.org/query?status=closed&group=resolution&milestone=0.15.3
https://trac.gajim.org/ticket/7252
http://security.gentoo.org/glsa/glsa-201401-02.xml
http://www.openwall.com/lists/oss-security/2012/11/11/6
https://trac.gajim.org/query?status=closed&group=resolution&milestone=0.15.3
https://trac.gajim.org/ticket/7252

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