CVE-1999-1033 Denial of service in n/a
A malicious email can cause Outlook Express to hang by triggering a POP3 protocol state confusion, requiring user interaction to view the message.
- 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-1999-1033?
CVE-1999-1033 is a medium-severity denial of service vulnerability in n/a, published on 12 Sep 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
Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.
Which versions are affected by CVE-1999-1033?
It affects 1 product.
Products include Microsoft Outlook Express.
How do I fix CVE-1999-1033?
No fix has been published for CVE-1999-1033 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-1999-1033 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-1033 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-935q-jf44-fq38.