CVE-20XX-?
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CVE-2009-0871

3.5 LOW 3% exploit odds Fix listed

What it is

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.

At a glance

Exploitability
Can be exploited over the network with a login. Limited direct impact.
Exploit odds
2.6% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
2.6% · EPSS, next 30 days
Weakness
CWE-20 · Improper input validation
Record status
Modified

Affected

Attack profile CVSS 2.0 · 3.5

Attack vector
Network
Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
Raw vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-0871.md and follow it. Check whether this project is affected by CVE-2009-0871. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record