CVE-2007-5135
openssl - arbitrary code execution
EPSS 53.1%
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.
How to fix CVE-2007-5135
To remediate CVE-2007-5135, upgrade the affected package to a fixed version below.
- Debian/openssl—upgrade to 0.9.8e-9 or later
- Debian/openssl—upgrade to 0.9.7e-3sarge5 or later
- —upgrade to 0.9.6m-1sarge5 or later
- —upgrade to 0.9.7k-3.1etch1 or later
Is CVE-2007-5135 being exploited?
Likely — EPSS is 53.1%, placing CVE-2007-5135 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (4)
- from 0, < 0.9.8e-9
- from 0, < 0.9.7e-3sarge5
- from 0, < 0.9.6m-1sarge5
- from 0, < 0.9.7k-3.1etch1