CVE-2014-3956
EPSS 0.08%
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.
How to fix CVE-2014-3956
To remediate CVE-2014-3956, upgrade the affected package to a fixed version below.
- Debian/sendmail—upgrade to 8.14.4-6 or later
Is CVE-2014-3956 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8.14.4-6