CVE-2002-1831 Denial of service in n/a
Remote attackers can crash MSN Messenger Service by sending a malformed invite request with hex-encoded spaces in the Invitation-Cookie field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-1831?
CVE-2002-1831 is a medium-severity denial of service vulnerability in n/a, published on 28 Jun 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.
Which versions are affected by CVE-2002-1831?
It affects 1 product.
Products include Microsoft Msn Messenger.
How do I fix CVE-2002-1831?
No fix has been published for CVE-2002-1831 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-2002-1831 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1831 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-25m6-rvg8-32wp.