Vulnerability Report

CVE-2014-3956

Title: Sendmail Information Disclosure

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2014-3956.

CWE Category CWE-200

Published Date Jun 04, 2014

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 1.9 CVSS v2.0

Exploit Probability (EPSS)

0.63%

Vulnerability Summary

CVE-2014-3956: The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.

Impacted Vendors

Reference Links

ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES http://advisories.mageia.org/MGASA-2014-0270.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html http://lists.opensuse.org/opensuse-updates/2014-06/msg00032.html http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html http://secunia.com/advisories/57455 http://secunia.com/advisories/58628 http://security.gentoo.org/glsa/glsa-201412-32.xml http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc http://www.mandriva.com/security/advisories?name=MDVSA-2014:147 http://www.mandriva.com/security/advisories?name=MDVSA-2015:128 http://www.securityfocus.com/bid/67791 http://www.securitytracker.com/id/1030331 http://www.sendmail.com/sm/open_source/download/8.14.9/ http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.728644 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368 ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES http://advisories.mageia.org/MGASA-2014-0270.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html http://lists.opensuse.org/opensuse-updates/2014-06/msg00032.html http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html http://secunia.com/advisories/57455 http://secunia.com/advisories/58628 http://security.gentoo.org/glsa/glsa-201412-32.xml http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc http://www.mandriva.com/security/advisories?name=MDVSA-2014:147 http://www.mandriva.com/security/advisories?name=MDVSA-2015:128 http://www.securityfocus.com/bid/67791 http://www.securitytracker.com/id/1030331 http://www.sendmail.com/sm/open_source/download/8.14.9/ http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.728644 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368

CVSS v2.0

Source Entity [email protected]

Severity LOW

1.9

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:M/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-3956 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

June 04, 2014 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:M/Au:N/C:P/I:N/A:N

Affected Stack

No specific products linked.