CVE-2008-4539 Memory corruption in n/a

High 7.2 Published Updated

Local attackers can exploit a heap overflow in the Cirrus VGA emulation to gain elevated privileges or execute arbitrary code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2008-4539?

CVE-2008-4539 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 29 Dec 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based buffer overflow in the Cirrus VGA implementation in (1) KVM before kvm-82 and (2) QEMU on Debian GNU/Linux and Ubuntu might allow local users to gain privileges by using the VNC console for a connection, aka the LGD-54XX "bitblt" heap overflow. NOTE: this issue exists because of an incorrect fix for CVE-2007-1320.

Weakness: CWE-119

Which versions are affected by CVE-2008-4539?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Kvm Qumranet Kvm, Qemu Qemu.

How do I fix CVE-2008-4539?

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-2008-4539 being exploited?

There is no known exploitation of CVE-2008-4539 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2008-4539, GHSA-gq7c-3rjh-ggvh.

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