CVE-2003-0545 Memory corruption in n/a

Critical 9.8 Published 1 Oct 2003 Updated 8 Aug 2024

Remote attackers can cause a crash or execute arbitrary code via a malformed SSL client certificate 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-2003-0545?

CVE-2003-0545 is a critical 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

Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding.

Weakness: CWE-415

Which versions are affected by CVE-2003-0545?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2003-0545?

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-2003-0545 being exploited?

There is no known exploitation of CVE-2003-0545 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2003-0545, GHSA-mmjc-3g2p-897m.