CVE-2003-0544 Memory corruption in n/a
Remote attackers can cause a denial of service via a crafted SSL client certificate due to improper ASN.1 input tracking 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-2003-0544?
CVE-2003-0544 is a medium-severity memory corruption vulnerability in Openssl Openssl, published on 1 Oct 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSSL 0.9.6 and 0.9.7 does not properly track the number of characters in certain ASN.1 inputs, which allows remote attackers to cause a denial of service (crash) via an SSL client certificate that causes OpenSSL to read past the end of a buffer when the long form is used.
Which versions are affected by CVE-2003-0544?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2003-0544?
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-2003-0544 being exploited?
There is no known exploitation of CVE-2003-0544 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2003-0544, GHSA-4352-7f73-983c.