SB2020020630 - Improper Privilege Management in mcabber.com mcabber
Published: February 6, 2020 Updated: August 9, 2020
Security Bulletin ID
SB2020020630
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Privilege Management (CVE-ID: CVE-2016-9928)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00130.html
- http://www.openwall.com/lists/oss-security/2016/12/11/2
- http://www.openwall.com/lists/oss-security/2017/02/09/29
- http://www.securityfocus.com/bid/94862
- https://bitbucket.org/McKael/mcabber-crew/commits/6e1ead98930d7dd0a520ad17c720ae4908429033/raw
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845258
- https://bugzilla.redhat.com/show_bug.cgi?id=1403790
- https://gultsch.de/gajim_roster_push_and_message_interception.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00031.html