CVE-2007-5135 Memory corruption in n/a

Medium 6.8 Published 27 Sep 2007 Updated 7 Aug 2024

Remote attackers might execute arbitrary code via a crafted packet triggering a buffer underflow in OpenSSL's SSL_get_shared_ciphers function.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2007-5135?

CVE-2007-5135 is a medium-severity memory corruption vulnerability in Openssl Openssl, published on 27 Sep 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

Weakness: CWE-189

Which versions are affected by CVE-2007-5135?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2007-5135?

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-2007-5135 being exploited?

There is no known exploitation of CVE-2007-5135 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2007-5135, DSA-1379-1, GHSA-jvv3-c5fw-96v6.