CVE-2000-0991 Memory corruption in n/a
Remote attackers can execute arbitrary commands via a long telnet URL due to a buffer overflow in HyperTerminal, requiring user interaction.
- 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-2000-0991?
CVE-2000-0991 is a high-severity memory corruption vulnerability in n/a, published on 22 Jan 2001. 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 Hilgraeve, Inc. HyperTerminal client on Windows 98, ME, and 2000 allows remote attackers to execute arbitrary commands via a long telnet URL, aka the "HyperTerminal Buffer Overflow" vulnerability.
Which versions are affected by CVE-2000-0991?
It affects 1 product.
Products include Hilgraeve Hyperterminal.
How do I fix CVE-2000-0991?
No fix has been published for CVE-2000-0991 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-2000-0991 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-0991 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-34hw-5cr2-j645.