CVE-2017-9430 Memory corruption in n/a
A stack-based buffer overflow in dnstracer allows attackers to cause a crash or potentially execute code via a long command-line argument.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-9430?
CVE-2017-9430 is a critical memory corruption vulnerability in n/a, published on 5 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.
Weakness: CWE-119
Which versions are affected by CVE-2017-9430?
It affects 1 product.
Products include Dnstracer Project Dnstracer.
How do I fix CVE-2017-9430?
No fix has been published for CVE-2017-9430 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9430 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9430 exists.
Public exploit code: 2 Exploit-DB entries and 2 proofs of concept on GitHub.
Sources
Also known as DEBIAN-CVE-2017-9430, GHSA-wr66-cqr2-pw8r, UBUNTU-CVE-2017-9430.