SB2022020213 - Debian update for python-nbxmpp
Published: February 2, 2022
Security Bulletin ID
SB2022020213
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-41055)
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 update from vendor's website.