CVE-2001-0402 Security feature bypass in n/a
Remote attackers can bypass firewall access restrictions by exploiting IPFilter's session cache handling of fragmented packets.
- 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-2001-0402?
CVE-2001-0402 is a high-severity vulnerability in Freebsd Freebsd, published on 18 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.
Which versions are affected by CVE-2001-0402?
It affects 3 products.
Products include Darren Reed Ipfilter, Freebsd Freebsd, Openbsd Openbsd.
How do I fix CVE-2001-0402?
No fix has been published for CVE-2001-0402 yet. Limit exposure of the affected software until one is available.
Is CVE-2001-0402 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2001-0402 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-vp6g-4h84-xm52.