CVE-2016-7938 Integer overflow in n/a
Critical 9.8
Published
Updated
Check this codebase for CVE-2016-7938 and fix it if it is affected.
What it is: CVE-2016-7938 is a critical vulnerability in Tcpdump Tcpdump, published on 28 Jan 2017. 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-2016-7938 in the wild and no public exploit code.
Affected product: Tcpdump Tcpdump. 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-2016-7938/ (Markdown: https://insights.sbomify.com/CVE-2016-7938/index.md)
An integer overflow in the ZeroMQ parser allows attackers to cause a denial of service via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7938?
CVE-2016-7938 is a critical vulnerability in Tcpdump Tcpdump, published on 28 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ZeroMQ parser in tcpdump before 4.9.0 has an integer overflow in print-zeromq.c:zmtp1_print_frame().
Weakness: CWE-190
Which versions are affected by CVE-2016-7938?
It affects 1 product.
Products include Tcpdump Tcpdump.
How do I fix CVE-2016-7938?
Upgrade to a fixed version.
Is CVE-2016-7938 being exploited?
There is no known exploitation of CVE-2016-7938 in the wild and no public exploit code.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as ALPINE-CVE-2016-7938, DEBIAN-CVE-2016-7938, GHSA-349p-xjcr-7rwx, UBUNTU-CVE-2016-7938.