Improper Privilege Management in mcabber - CVE-2016-9928
Published: February 6, 2020 / Updated: August 9, 2020
Vulnerability identifier: #VU41114
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-9928
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: mcabber.com
Affected software:
mcabber
mcabber
Detailed vulnerability description
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.
How to mitigate CVE-2016-9928
Install update from vendor's website.
Sources
- 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