SB2014042407 - Permissions, Privileges, and Access Controls in prosody (Alpine package)



SB2014042407 - Permissions, Privileges, and Access Controls in prosody (Alpine package)

Published: April 24, 2014

Security Bulletin ID SB2014042407
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-2745)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Prosody before 0.9.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack, related to core/portmanager.lua and util/xmppstream.lua.


Remediation

Install update from vendor's website.