CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2003-0740

First published: Thu Sep 04 2003(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
stunnel=3.21c
stunnel=3.7
stunnel=3.3
stunnel=3.21b
stunnel=3.14
stunnel=3.4a
stunnel=3.22
stunnel=3.18
stunnel=3.20
stunnel=3.10
stunnel=3.11
stunnel=3.19
stunnel=3.16
stunnel=3.17
stunnel=3.24
stunnel=3.12
stunnel=3.13
stunnel=3.21
stunnel=3.8
stunnel=3.15
stunnel=3.21a
stunnel=3.9
stunnel=4.0

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Frequently Asked Questions

  • What is the severity of CVE-2003-0740?

    CVE-2003-0740 is classified as a critical vulnerability due to its potential for local users to hijack the Stunnel server.

  • How do I fix CVE-2003-0740?

    To mitigate CVE-2003-0740, upgrade Stunnel to version 4.1 or later to ensure the privileged file descriptor leak is addressed.

  • What software versions are affected by CVE-2003-0740?

    CVE-2003-0740 affects Stunnel versions 4.0 and earlier, including 3.24 and lower versions.

  • What are the consequences of CVE-2003-0740?

    Exploitation of CVE-2003-0740 allows local users to gain unauthorized access and control over the Stunnel service.

  • Is CVE-2003-0740 related to remote access vulnerabilities?

    CVE-2003-0740 is not a remote access vulnerability; it specifically enables local user exploitation of the Stunnel server.

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