CVE-2011-4019
First published: Thu May 03 2012(Updated: )
Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =12.4 | |
| Cisco IOS | =15.0 | |
| Cisco IOS | =15.1 | |
| Cisco IOS | =15.2 | |
| Cisco Unified Communications Manager Session Management Edition | =7.0 | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(1\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(1\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(1\)su1a | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(2\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(2a\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(2a\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.0\(2a\)su2 | |
| Cisco Unified Communications Manager Session Management Edition | =7.0_base | |
| Cisco Unified Communications Manager Session Management Edition | =7.1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(2a\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(2a\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(2b\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(2b\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3a\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3a\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3a\)su1a | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3b\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3b\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(3b\)su2 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5\)su1a | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5a\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\) | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su1 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su1a | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su2 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su3 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su4 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1\(5b\)su5 | |
| Cisco Unified Communications Manager Session Management Edition | =7.1_base |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-4019?
CVE-2011-4019 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2011-4019?
To fix CVE-2011-4019, upgrade the affected Cisco IOS or Unified Communications Manager to a version that is not vulnerable.
What systems are affected by CVE-2011-4019?
CVE-2011-4019 affects Cisco IOS versions 12.4, 15.0, 15.1, and 15.2 as well as Cisco Unified Communications Manager 7.x.
What type of attack does CVE-2011-4019 allow?
CVE-2011-4019 allows remote attackers to craft responses to SIP SUBSCRIBE messages leading to memory consumption and potential service disruption.
Is there a workaround for CVE-2011-4019?
There are no specific workarounds for CVE-2011-4019, and updating to a secure version is the recommended approach.
- agent/references
- agent/type
- agent/weakness
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/12.4
- version/cisco ios/15.0
- version/cisco ios/15.1
- version/cisco ios/15.2
- canonical/cisco unified communications manager session management edition
- version/cisco unified communications manager session management edition/7.0
- version/cisco unified communications manager session management edition/7.0\(1\)
- version/cisco unified communications manager session management edition/7.0\(1\)su1
- version/cisco unified communications manager session management edition/7.0\(1\)su1a
- version/cisco unified communications manager session management edition/7.0\(2\)
- version/cisco unified communications manager session management edition/7.0\(2a\)
- version/cisco unified communications manager session management edition/7.0\(2a\)su1
- version/cisco unified communications manager session management edition/7.0\(2a\)su2
- version/cisco unified communications manager session management edition/7.0_base
- version/cisco unified communications manager session management edition/7.1
- version/cisco unified communications manager session management edition/7.1\(2a\)
- version/cisco unified communications manager session management edition/7.1\(2a\)su1
- version/cisco unified communications manager session management edition/7.1\(2b\)
- version/cisco unified communications manager session management edition/7.1\(2b\)su1
- version/cisco unified communications manager session management edition/7.1\(3\)
- version/cisco unified communications manager session management edition/7.1\(3a\)
- version/cisco unified communications manager session management edition/7.1\(3a\)su1
- version/cisco unified communications manager session management edition/7.1\(3a\)su1a
- version/cisco unified communications manager session management edition/7.1\(3b\)
- version/cisco unified communications manager session management edition/7.1\(3b\)su1
- version/cisco unified communications manager session management edition/7.1\(3b\)su2
- version/cisco unified communications manager session management edition/7.1\(5\)
- version/cisco unified communications manager session management edition/7.1\(5\)su1
- version/cisco unified communications manager session management edition/7.1\(5\)su1a
- version/cisco unified communications manager session management edition/7.1\(5a\)
- version/cisco unified communications manager session management edition/7.1\(5b\)
- version/cisco unified communications manager session management edition/7.1\(5b\)su1
- version/cisco unified communications manager session management edition/7.1\(5b\)su1a
- version/cisco unified communications manager session management edition/7.1\(5b\)su2
- version/cisco unified communications manager session management edition/7.1\(5b\)su3
- version/cisco unified communications manager session management edition/7.1\(5b\)su4
- version/cisco unified communications manager session management edition/7.1\(5b\)su5
- version/cisco unified communications manager session management edition/7.1_base