CVE-2014-3956
Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 48th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
A public exploit existed 61 days before the patch.
- OpenVAS check added
- Patch availablerecord updated
- Public exploit / PoCsource: packetstorm
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:L/AC:M/Au:N/C:P/I:N/A:N
Scored 1.9 by NVD.
How it is reached
- Access Vector LocalRequires local access
- Access Complexity MediumSome conditions must be met
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality PartialSome information is disclosed
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368
- secunia.com/advisories/58628
- freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc
And 16 more references. See all after sign-in
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