CVE-2007-0257 Privilege escalation in n/a

High 7.8 Published Updated

Local users can gain privileges via an unspecified vulnerability in the grsecurity PaX expand_stack function, despite developer disputes.

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-2007-0257?

CVE-2007-0257 is a high-severity vulnerability in n/a, published on 16 Jan 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code

Which versions are affected by CVE-2007-0257?

It affects 1 product.

Products include Grsecurity Grsecurity Kernel Patch.

How do I fix CVE-2007-0257?

No fix has been published for CVE-2007-0257 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-0257 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-0257 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-fg9q-hp23-pjjp.

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