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CVE-2014-3956

Published: Jun 4, 2014Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-200
NVD MITRE
1.9CVSSLOW
EPSS Score
0.6%
Top 54.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:MAu:NC:PI:NA:N
Exploitability
AV:LAccess Vector
Local
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

freebsdfreebsd
On-premOS
Operating Systems / unix-bsd
hpuxhp
On-prem
Enterprise Software / itsm-monitoring
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
sendmailsendmail
On-prem
Communications / email-server-client
n/an/a
freebsdoss-projectUSOperating Systems
hpcommercialUSEnterprise Softwareaka hewlett packard, hpe
fedoraprojectoss-projectUSOperating Systemsaka fedora project
sendmailoss-projectCommunicationsaka sendmail switch, advanced message server
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES
ftp.sendmail.org
http://advisories.mageia.org/MGASA-2014-0270.html
advisories.mageia.org
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html
lists.fedoraproject.org
and 16 more references View all →

Timeline

Published
Jun 4, 2014
Last Updated
May 6, 2026

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