Input validation error in Gajim - CVE-2021-41055
Published: February 2, 2022
Vulnerability identifier: #VU60244
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-41055
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Gajim
Gajim
Software vendor:
Gajim
Gajim
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.