CVE-2018-1000661 Null dereference in n/a

Medium 6.5 Published 6 Sep 2018 Updated 17 Sep 2024

A null pointer dereference in jsish allows attackers to cause a denial of service via specially crafted JavaScript code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-1000661?

CVE-2018-1000661 is a medium-severity vulnerability in Jsish Jsish, published on 6 Sep 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

jsish version 2.4.67 contains a CWE-476: NULL Pointer Dereference vulnerability in Jsi_LogMsg (jsiUtils.c:196) that can result in Crash due to segmentation fault. This attack appear to be exploitable via the victim executing specially crafted javascript code. This vulnerability appears to have been fixed in 2.4.69.

Weakness: CWE-476

Which versions are affected by CVE-2018-1000661?

It affects 1 product.

Products include Jsish Jsish.

How do I fix CVE-2018-1000661?

No fix has been published for CVE-2018-1000661 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-1000661 being exploited?

There is no known exploitation of CVE-2018-1000661 in the wild and no public exploit code.

All Jsish Jsish vulnerabilities

Sources

Also known as GHSA-r435-g2mc-22v9.