Description
Unknown vulnerability in ip_nat_sack_adjust of Netfilter in Linux kernels 2.4.20, and some 2.5.x, when CONFIG_IP_NF_NAT_FTP or CONFIG_IP_NF_NAT_IRC is enabled, or the ip_nat_ftp or ip_nat_irc modules are loaded, allows remote attackers to cause a denial of service (crash) in systems using NAT, possibly due to an integer signedness error.
Product(s):
- Linux Kernel 2.4.20
- Linux Kernel 2.4.21
- Linux Kernel 2.4.21 pre1
- Linux Kernel 2.4.21 pre4
- Linux Kernel 2.4.21 pre7
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2003-0467, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2003-0467 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.