CVE-2001-0740 Denial of service in n/a
Remote attackers can cause a denial of service on 3COM OfficeConnect ADSL routers by sending a long string with format specifiers.
- 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-2001-0740?
CVE-2001-0740 is a medium-severity denial of service vulnerability in n/a, published on 9 Mar 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
3COM OfficeConnect 812 and 840 ADSL Router 4.2, running OCR812 router software 1.1.9 and earlier, allows remote attackers to cause a denial of service via a long string containing a large number of "%s" strings, possibly triggering a format string vulnerability.
Which versions are affected by CVE-2001-0740?
It affects 2 products.
Products include 3com 3c840-Us, 3com 3cp4144.
How do I fix CVE-2001-0740?
No fix has been published for CVE-2001-0740 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-2001-0740 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2001-0740 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-4fm7-gv4j-hx3r.