CVE-2017-12814 Memory corruption in n/a
Attackers can execute arbitrary code on Windows systems by exploiting a stack-based buffer overflow in the Perl interpreter via long environment variables.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12814?
CVE-2017-12814 is a critical memory corruption vulnerability in n/a, published on 27 Sep 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 the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.
Weakness: CWE-119
Which versions are affected by CVE-2017-12814?
It affects 1 product.
Products include Perl Perl.
How do I fix CVE-2017-12814?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12814 being exploited?
There is no known exploitation of CVE-2017-12814 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6g5g-x3hj-6v2x.