CVE-2008-0891 Memory corruption in n/a
Remote attackers can cause a denial of service via a malformed Client Hello packet when TLS server name extensions are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2008-0891?
CVE-2008-0891 is a medium-severity memory corruption vulnerability in Openssl Openssl, published on 29 May 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a malformed Client Hello packet. NOTE: some of these details are obtained from third party information.
Weakness: CWE-189
Which versions are affected by CVE-2008-0891?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2008-0891?
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-2008-0891 being exploited?
There is no known exploitation of CVE-2008-0891 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2008-0891, GHSA-8v7x-8cw9-9c5c.