CVE-1999-1577 Memory corruption in n/a
Remote attackers can execute arbitrary commands via a buffer overflow in the HHOpen ActiveX control, requiring user interaction to visit a malicious page.
- 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-1999-1577?
CVE-1999-1577 is a medium-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 21 Apr 2005. 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 HHOpen ActiveX control (hhopen.ocx) 1.0.0.1 for Internet Explorer 4.01 and 5 allows remote attackers to execute arbitrary commands via long arguments to the OpenHelp method.
Which versions are affected by CVE-1999-1577?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-1999-1577?
No fix has been published for CVE-1999-1577 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-1999-1577 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-1577 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as GHSA-hc2h-vv8g-pjcj.