Description
Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.
Product(s):
- Stunnel 3.10
- Stunnel 3.11
- Stunnel 3.12
- Stunnel 3.13
- Stunnel 3.14
- Stunnel 3.15
- Stunnel 3.16
- Stunnel 3.17
- Stunnel 3.18
- Stunnel 3.19
- Stunnel 3.20
- Stunnel 3.21
- Stunnel 3.21a
- Stunnel 3.21b
- Stunnel 3.21c
- Stunnel 3.22
- Stunnel 3.24
- Stunnel 3.3
- Stunnel 3.4a
- Stunnel 3.7
- Stunnel 3.8
- Stunnel 3.8 Patch 1
- Stunnel 3.8 Patch 2
- Stunnel 3.8 Patch 3
- Stunnel 3.8 Patch 4
- Stunnel 3.9
- Stunnel 4.0
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2003-0740, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2003-0740 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.