CVE-2014-4045
First published: Tue Jun 17 2014(Updated: )
The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Asterisk | =12.0.0 | |
| Asterisk | =12.1.0 | |
| Asterisk | =12.1.0-rc1 | |
| Asterisk | =12.1.0-rc2 | |
| Asterisk | =12.1.0-rc3 | |
| Asterisk | =12.1.1 | |
| Asterisk | =12.2.0 | |
| Asterisk | =12.2.0-rc1 | |
| Asterisk | =12.2.0-rc2 | |
| Asterisk | =12.2.0-rc3 | |
| Asterisk | =12.3.0 | |
| Asterisk | =12.3.0-rc1 | |
| Asterisk | =12.3.0-rc2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2014-4045?
CVE-2014-4045 is classified as a high severity vulnerability due to its ability to cause remote denial of service.
How do I fix CVE-2014-4045?
To fix CVE-2014-4045, update Asterisk to version 12.3.1 or later.
Which versions of Asterisk are affected by CVE-2014-4045?
CVE-2014-4045 affects Asterisk versions 12.0.0, 12.1.0, 12.1.1, 12.2.0, and 12.3.0, including their respective release candidates.
What impact does CVE-2014-4045 have on Asterisk?
CVE-2014-4045 allows an attacker to send an unsubscribe request that can cause an assertion failure and crash Asterisk.
What can I do to mitigate CVE-2014-4045 before applying a patch?
As a temporary mitigation for CVE-2014-4045, you can avoid setting sub_min_expiry to zero in the configuration.
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/references
- agent/author
- agent/weakness
- agent/severity
- agent/remedy
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- vendor/digium
- canonical/asterisk
- version/asterisk/12.0.0
- version/asterisk/12.1.0
- version/asterisk/12.1.0-rc1
- version/asterisk/12.1.0-rc2
- version/asterisk/12.1.0-rc3
- version/asterisk/12.1.1
- version/asterisk/12.2.0
- version/asterisk/12.2.0-rc1
- version/asterisk/12.2.0-rc2
- version/asterisk/12.2.0-rc3
- version/asterisk/12.3.0
- version/asterisk/12.3.0-rc1
- version/asterisk/12.3.0-rc2