Vulnerabilities > CVE-2016-9928 - Improper Privilege Management vulnerability in multiple products

047910
CVSS 5.8 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
NONE

Summary

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.

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Restful Privilege Elevation
    Rest uses standard HTTP (Get, Put, Delete) style permissions methods, but these are not necessarily correlated generally with back end programs. Strict interpretation of HTTP get methods means that these HTTP Get services should not be used to delete information on the server, but there is no access control mechanism to back up this logic. This means that unless the services are properly ACL'd and the application's service implementation are following these guidelines then an HTTP request can easily execute a delete or update on the server side. The attacker identifies a HTTP Get URL such as http://victimsite/updateOrder, which calls out to a program to update orders on a database or other resource. The URL is not idempotent so the request can be submitted multiple times by the attacker, additionally, the attacker may be able to exploit the URL published as a Get method that actually performs updates (instead of merely retrieving data). This may result in malicious or inadvertent altering of data on the server.

Nessus

  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2017-137.NASL
    descriptionThis update for python3-sleekxmpp fixes the following issues : - Check the origin of roster pushes (2015-8688, 2016-9928, boo#1014976). Also see https://gultsch.de/gajim_roster_push_and_message_interce ption.html - An error in legacyauth support was fixed
    last seen2020-06-05
    modified2017-01-24
    plugin id96714
    published2017-01-24
    reporterThis script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/96714
    titleopenSUSE Security Update : python3-sleekxmpp (openSUSE-2017-137)
  • NASL familySlackware Local Security Checks
    NASL idSLACKWARE_SSA_2016-347-02.NASL
    descriptionNew mcabber packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix a security issue.
    last seen2020-06-01
    modified2020-06-02
    plugin id95724
    published2016-12-13
    reporterThis script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/95724
    titleSlackware 14.0 / 14.1 / 14.2 / current : mcabber (SSA:2016-347-02)