CVE-2012-2131 Integer overflow in n/a
Remote attackers can cause denial of service or potential code execution via crafted DER data due to integer signedness errors in OpenSSL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-2131?
CVE-2012-2131 is a high-severity vulnerability in Openssl Openssl, published on 24 Apr 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.
Weakness: CWE-189
Which versions are affected by CVE-2012-2131?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2012-2131?
Upgrade to a fixed version.
Is CVE-2012-2131 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-2131 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DSA-2454-2, GHSA-wvj2-94fg-jpr9.