CVE-2001-0191 Memory corruption in n/a

Critical 10.0 Published Updated

Remote attackers can execute arbitrary commands or bypass authentication in XEmacs gnuserv via a buffer overflow in cookie length validation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2001-0191?

CVE-2001-0191 is a critical memory corruption vulnerability in n/a, published on 7 May 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attackers to execute arbitrary commands via a buffer overflow, or brute force authentication by using a short cookie length.

Weakness: CWE-120

Which versions are affected by CVE-2001-0191?

It affects 1 product.

Products include Andynorman Gnuserv.

How do I fix CVE-2001-0191?

No fix has been published for CVE-2001-0191 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-2001-0191 being exploited?

There is no known exploitation of CVE-2001-0191 in the wild and no public exploit code.

Sources

Also known as GHSA-5w94-q2g4-prcg.

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