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CVE-2012-0885

4.3 · MEDIUM

chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denia…

Published Jan 25, 2012asteriskEPSS 2.41%

Overview

CVE-2012-0885 is a medium-severity vulnerability affecting asterisk open_source. It was published on January 25, 2012 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.

Remediation

Check the references section for vendor advisories and patches from asterisk. Update open_source to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refdownloads.asterisk.org/pub/security/AST-2012-001-1.8.diffRefdownloads.asterisk.org/pub/security/AST-2012-001-10.diffRefdownloads.asterisk.org/pub/security/AST-2012-001.htmlRefwww.openwall.com/lists/oss-security/2012/01/20/16Refwww.openwall.com/lists/oss-security/2012/01/20/18Refbugzilla.redhat.com/show_bug.cgi?id=783487Refissues.asterisk.org/jira/browse/ASTERISK-19202Refissues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patchRefdownloads.asterisk.org/pub/security/AST-2012-001-1.8.diffRefdownloads.asterisk.org/pub/security/AST-2012-001-10.diff

How CyberStrike helps

Frequently asked questions

What is CVE-2012-0885?

CVE-2012-0885 is a medium-severity vulnerability affecting asterisk open_source. It was published on January 25, 2012 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2012-0885?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-0885?

Check the references section for vendor advisories and patches from asterisk. Update open_source to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-0885?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-0885 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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