CVE-2011-1604: High severity cisco unified communications solutions vulnerability

Published May 3, 2011

Updated

Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.

Affected Software

47 affected components

Cisco Unified Communications Manager=6.1\(3a\)

Cisco Unified Communications Manager=6.1\(2\)

Cisco Unified Communications Manager=6.1\(3b\)su1

Cisco Unified Communications Manager=6.1\(2\)su1a

Cisco Unified Communications Manager=6.1\(4\)su1

Cisco Unified Communications Manager=6.1\(4\)

Cisco Unified Communications Manager=6.1\(5\)su1

Cisco Unified Communications Manager=6.1\(4a\)

Cisco Unified Communications Manager=6.1\(5\)su2

Cisco Unified Communications Manager=6.1\(3\)

Cisco Unified Communications Manager=6.1\(4a\)su2

Cisco Unified Communications Manager=6.1\(1\)

Cisco Unified Communications Manager=6.1\(1b\)

Cisco Unified Communications Manager=6.1\(3b\)

Cisco Unified Communications Manager=6.1\(5\)

Cisco Unified Communications Manager=6.1\(2\)su1

Cisco Unified Communications Manager=6.0

Cisco Unified Communications Manager=6.1\(1a\)

Cisco Unified Communications Manager=7.1\(2b\)su1

Cisco Unified Communications Manager=7.1\(2b\)

Cisco Unified Communications Manager=7.1\(3b\)

Cisco Unified Communications Manager=7.1\(2a\)su1

Cisco Unified Communications Manager=7.1\(3b\)su1

Cisco Unified Communications Manager=7.1\(3a\)su1a

Cisco Unified Communications Manager=7.1\(3\)

Cisco Unified Communications Manager=7.1\(2a\)

Cisco Unified Communications Manager=7.1\(5b\)

Cisco Unified Communications Manager=7.0\(2a\)

Cisco Unified Communications Manager=7.0\(1\)su1

Cisco Unified Communications Manager=7.0\(1\)su1a

Cisco Unified Communications Manager=7.1\(5b\)su2

Cisco Unified Communications Manager=7.1\(5\)

Cisco Unified Communications Manager=7.1\(5a\)

Cisco Unified Communications Manager=7.0\(2a\)su2

Cisco Unified Communications Manager=7.1\(5\)su1a

Cisco Unified Communications Manager=7.1\(5\)su1

Cisco Unified Communications Manager=7.1\(3a\)

Cisco Unified Communications Manager=7.0\(2a\)su1

Cisco Unified Communications Manager=7.1\(3a\)su1

Cisco Unified Communications Manager=7.0\(2\)

Cisco Unified Communications Manager=7.1\(3b\)su2

Cisco Unified Communications Manager=8.0\(2c\)

Cisco Unified Communications Manager=8.0\(3\)

Cisco Unified Communications Manager=8.5

Cisco Unified Communications Manager=8.0\(3a\)

Cisco Unified Communications Manager=8.0\(2c\)su1

Cisco Unified Communications Manager=8.0\(3a\)su1

Event History

May 3, 2011

CVE Published

via MITRE·10:00 PM

Data Sourced

via MITRE·10:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2011-1604?

CVE-2011-1604 has a medium severity rating as it can lead to denial of service conditions.

How do I fix CVE-2011-1604?

To fix CVE-2011-1604, upgrade your Cisco Unified Communications Manager to version 6.1(5)su3 or later.

Which versions of Cisco Unified Communications Manager are affected by CVE-2011-1604?

CVE-2011-1604 affects versions 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1).

What kind of attack does CVE-2011-1604 enable?

CVE-2011-1604 allows remote attackers to cause denial of service by sending malformed SIP messages.

Are there any workarounds for CVE-2011-1604?

There are currently no documented workarounds for CVE-2011-1604, so upgrading is recommended.