CVE-2012-0885: n/a vulnerability

CVE-2012-0885: 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...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 23:41 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw can let a remote party crash certain Asterisk PBX systems by sending malformed SIP session data. The business impact is service availability: calls may fail until the Asterisk daemon is restarted or supervised recovery occurs. Evidence points to specific older Asterisk branches and SRTP-related media handling. Exposure is most likely on legacy Asterisk Open Source 1.8.x or 10.x deployments using chan_sip with res_srtp enabled and video or text media handling present. Internet-reachable SIP services have higher availability risk. The source bundle does not identify other affected products. Prioritize remediation where Asterisk provides business-critical voice services or accepts SIP traffic from untrusted networks. This is not a confidentiality breach in the provided evidence, but a remote crash of telephony infrastructure can create operational disruption. Mitigation focus: Upgrade Asterisk 1.8.x to 1.8.8.2 or later, if that branch is still used.; Upgrade Asterisk 10.x to 10.0.1 or later, if that branch is still used.; Review AST-2012-001 vendor guidance and patches for packaged or backported builds..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 25, 2012, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://issues.asterisk.org/jira/browse/ASTERISK-19202CVE reference · x_refsource_CONFIRM
https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patchCVE reference · x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=783487CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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