Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2003-0740 — Stunnel vulnerability

8 documents8 sources
Severity
4.6MEDIUMNVD
EPSS
0.1%
top 69.74%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
Stunnel
Timeline
PublishedOct 20
Latest updateApr 29

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.

CVSS vector

AV:L/AC:L/C:P/I:P/A:PExploitability: 3.9 | Impact: 6.4

Affected Packages1 packages

▶NVDstunnel/stunnel23 versions+22

🔴Vulnerability Details

3
GHSA
GHSA-94h5-4g3p-4v6g: Stunnel 4↗2022-04-29
▶
OSV
CVE-2003-0740: Stunnel 4↗2003-10-20
▶
CVEList
CVE-2003-0740: Stunnel 4↗2003-09-04
▶

💥Exploits & PoCs

1
Exploit-DB
Stunnel 3.24/4.00 - Daemon Hijacking↗2003-09-05
▶

📋Vendor Advisories

2
Red Hat
security flaw↗2003-09-03
▶
Debian
CVE-2003-0740: stunnel4 - Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned ...↗2003
▶

💬Community

1
Bugzilla
CVE-2003-0740 security flaw↗2018-08-16
▶
CVE-2003-0740 — Stunnel vulnerability | cvebase