# CVE-2007-2297: Denial of service in n/a

> Remote attackers can crash the Asterisk PBX by sending malformed SIP UDP packets, causing a denial of service.

- **Severity:** High 7.8 (`AV:N/AC:L/Au:N/C:N/I:N/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 26 Apr 2007
- **Updated:** 7 Aug 2024
- **Also known as:** DEBIAN-CVE-2007-2297, GHSA-w3jr-jp8f-r2vr

## What is CVE-2007-2297?

CVE-2007-2297 is a high-severity denial of service vulnerability in n/a, published on 26 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).

## Which versions are affected by CVE-2007-2297?

It affects 1 product.


Products: Asterisk Asterisk.

## How do I fix CVE-2007-2297?

Upgrade to a fixed version.

## Is CVE-2007-2297 being exploited?

There is no known exploitation of CVE-2007-2297 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2007-2488](https://insights.sbomify.com/CVE-2007-2488/): Null dereference in n/a (critical 10.0)
- [CVE-2008-1390](https://insights.sbomify.com/CVE-2008-1390/): Weak cryptography in n/a (critical 9.3)
- [CVE-2007-3762](https://insights.sbomify.com/CVE-2007-3762/): Memory corruption in n/a (critical 9.3)
- [CVE-2008-1332](https://insights.sbomify.com/CVE-2008-1332/): Auth bypass in n/a (high 8.8)
- [CVE-2008-3263](https://insights.sbomify.com/CVE-2008-3263/): Denial of service in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-2297 and fix it if it is affected.

What it is: CVE-2007-2297 is a high-severity denial of service vulnerability in n/a, published on 26 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2007-2297 in the wild and no public exploit code.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2007-2297/ (Markdown: https://insights.sbomify.com/CVE-2007-2297/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-2297
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-2297
- OSV: https://osv.dev/vulnerability/CVE-2007-2297

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-2297/
Summaries are generated and may contain mistakes; the official description above is the record.