CVE-2003-0740
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.70% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2003-09-04 04:00Z23 YR AGO
- Last updated
- 2024-08-08 02:05Z2 YR AGO
- Reserved
- 2003-09-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 8cc7b96255c4d2af1169a2a3e262fb03aef5166fc14ed3dbb6c3c319194506df
05 Affected products
06 References
- marc.info20030903 Stunnel-3.x Daemon Hijackinghttp://marc.info/?l=bugtraq&m=106260760211958&w=2
- distro.conectiva.com.brCLA-2003:736http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736
- www.mandriva.comMDKSA-2003:108http://www.mandriva.com/security/advisories?name=MDKSA-2003:108
- www.redhat.comRHSA-2003:297http://www.redhat.com/support/errata/RHSA-2003-297.html
07 Fixed in
Debian 12
- stunnel4 Fixed in 2:4.04
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- stunnel4 Fixed in 2:4.04
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- stunnel Fixed in 2:3.26
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.