CVE-2019-13049 Integer overflow in n/a

High 7.8 Published Updated

An integer overflow in the ToaruOS kernel allows local users to map arbitrary kernel pages into user space, resulting in privilege escalation.

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-2019-13049?

CVE-2019-13049 is a high-severity vulnerability in n/a, published on 29 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An integer wrap in kernel/sys/syscall.c in ToaruOS 1.10.10 allows users to map arbitrary kernel pages into userland process space via TOARU_SYS_FUNC_MMAP, leading to escalation of privileges.

Weakness: CWE-190

Which versions are affected by CVE-2019-13049?

It affects 1 product.

Products include Toaruos Project Toaruos.

How do I fix CVE-2019-13049?

No fix has been published for CVE-2019-13049 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-13049 being exploited?

There is no known exploitation of CVE-2019-13049 in the wild and no public exploit code.

Sources

Also known as GHSA-pcqx-6pq7-24xf.

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