CVE-2016-7550 Null dereference in n/a
High 7.5
Published
Updated
Check this codebase for CVE-2016-7550 and fix it if it is affected.
What it is: CVE-2016-7550 is a high-severity vulnerability in Digium Asterisk, published on 23 May 2019. 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-2016-7550 in the wild and no public exploit code.
Affected product: Digium Asterisk. 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-2016-7550/ (Markdown: https://insights.sbomify.com/CVE-2016-7550/index.md)
A remote attacker can cause a denial of service in Asterisk PBX software due to a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7550?
CVE-2016-7550 is a high-severity vulnerability in Digium Asterisk, published on 23 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
asterisk 13.10.0 is affected by: denial of service issues in asterisk. The impact is: cause a denial of service (remote).
Weakness: CWE-476
Which versions are affected by CVE-2016-7550?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2016-7550?
Upgrade to a fixed version.
Is CVE-2016-7550 being exploited?
There is no known exploitation of CVE-2016-7550 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2016-7550, GHSA-5w4x-m7wq-hcg9, UBUNTU-CVE-2016-7550.