CVE-1999-1189 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can cause denial of service or execute arbitrary code via a buffer overflow in Netscape Navigator when processing long URL arguments.

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-1999-1189?

CVE-1999-1189 is a high-severity memory corruption vulnerability in n/a, published on 1 Sep 2004. 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

Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long argument after the ? character in a URL that references an .asp, .cgi, .html, or .pl file.

Which versions are affected by CVE-1999-1189?

It affects 2 products.

Products include Netscape Communicator, Netscape Navigator.

How do I fix CVE-1999-1189?

No fix has been published for CVE-1999-1189 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-1999-1189 being exploited?

There is no known exploitation of CVE-1999-1189 in the wild and no public exploit code.

Sources

Also known as GHSA-f9rc-g2vv-h5f9.

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