Vulnerability CVE-2022-26491


Published: 2022-06-02

Description:
An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968.

Type:

CWE-295

(Certificate Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Pidgin -> Pidgin 
Debian -> Debian linux 

 References:
https://github.com/xsf/xeps/pull/1158
https://pidgin.im/about/security/advisories/cve-2022-26491/
https://mail.jabber.org/pipermail/standards/2022-February/038759.html
https://keep.imfreedom.org/pidgin/pidgin/rev/13cdb7956bdc
https://developer.pidgin.im/wiki/FullChangeLog
https://lists.debian.org/debian-lts-announce/2022/06/msg00005.html

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