CVE-2012-1699 Memory corruption in n/a
Local attackers can crash the X.Org font server or read sensitive memory via a malformed SetEventMask request due to an invalid pointer dereference.
- 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-2012-1699?
CVE-2012-1699 is a low-severity memory corruption vulnerability in n/a, published on 21 Dec 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before 3.3.3 calls the SendErrToClient function with a mask value instead of a pointer, which allows local users to cause a denial of service (memory corruption and crash) or obtain potentially sensitive information from memory via a SetEventMask request that triggers an invalid pointer dereference.
Weakness: CWE-119
Which versions are affected by CVE-2012-1699?
It affects 2 products.
Products include X X.org X11, Xfree86 Xfree86.
How do I fix CVE-2012-1699?
No fix has been published for CVE-2012-1699 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-2012-1699 being exploited?
There is no known exploitation of CVE-2012-1699 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5m3w-c4wf-7pp9.