CVE-2003-1230 Weak cryptography in n/a
Remote attackers can spoof legitimate traffic by brute-forcing weak 32-bit SYN cookie keys in FreeBSD.
- 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-2003-1230?
CVE-2003-1230 is a medium-severity vulnerability in n/a, published on 17 Aug 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.
Which versions are affected by CVE-2003-1230?
How do I fix CVE-2003-1230?
No fix has been published for CVE-2003-1230 yet. Limit exposure of the affected software until one is available.
Is CVE-2003-1230 being exploited?
There is no known exploitation of CVE-2003-1230 in the wild and no public exploit code.
Sources
Also known as GHSA-7hx3-c6gv-rvgg.