Description
The TCP stack (tcp_input.c) in OpenBSD 3.5 and 3.6 allows remote attackers to cause a denial of service (system panic) via crafted values in the TCP timestamp option, which causes invalid arguments to be used when calculating the retransmit timeout.
Product(s):
- OpenBSD 2.0
- OpenBSD 2.1
- OpenBSD 2.2
- OpenBSD 2.3
- OpenBSD 2.4
- OpenBSD 2.5
- OpenBSD 2.6
- OpenBSD 2.7
- OpenBSD 2.8
- OpenBSD 2.9
- OpenBSD 3.0
- OpenBSD 3.1
- OpenBSD 3.2
- OpenBSD 3.3
- OpenBSD 3.4
- OpenBSD 3.5
- OpenBSD 3.6
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2005-0740, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2005-0740 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions:
- Check out the advisory links provided below.