CVE-2009-4902 Memory corruption in n/a

Medium 6.8 Published 18 Jun 2010 Updated 7 Aug 2024

Local attackers can exploit a buffer overflow in the PC/SC daemon to gain elevated privileges via crafted messages.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-4902?

CVE-2009-4902 is a medium-severity memory corruption vulnerability in n/a, published on 18 Jun 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the MSGFunctionDemarshall function in winscard_svc.c in the PC/SC Smart Card daemon (aka PCSCD) in MUSCLE PCSC-Lite 1.5.4 and earlier might allow local users to gain privileges via crafted SCARD_CONTROL message data, which is improperly demarshalled. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-0407.

Weakness: CWE-119

Which versions are affected by CVE-2009-4902?

It affects 1 product.

Products include Muscle Pcsc-Lite.

How do I fix CVE-2009-4902?

No fix has been published for CVE-2009-4902 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-4902 being exploited?

There is no known exploitation of CVE-2009-4902 in the wild and no public exploit code.

Sources

Also known as GHSA-3ff4-45xf-q76c.