The sslverifycallback function in tlsnb.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.
{ "urgency": "low" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-5524.json"