CVE-2008-1377 Memory corruption in n/a

Critical 9.0 Published 16 Jun 2008 Updated 7 Aug 2024

Remote attackers can execute arbitrary code on X.Org X servers via crafted requests causing heap corruption in Record and Security extensions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2008-1377?

CVE-2008-1377 is a critical memory corruption vulnerability in n/a, published on 16 Jun 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

Weakness: CWE-189

Which versions are affected by CVE-2008-1377?

It affects 1 product.

Products include X X11.

How do I fix CVE-2008-1377?

Apply the vendor's patch.

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

Is CVE-2008-1377 being exploited?

There is no known exploitation of CVE-2008-1377 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2008-1377, GHSA-fjhq-fg7w-hchr.