CVE Tools
Track your stack

CVE-2014-3956

Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.

CVSS 2.01.9LowEPSS percentile51st0.6% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFixVendor fixNo build named by the sources
Check it yourself

OpenVAS · 9 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.121318

Run the check

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • FreebsdAffected: ≤ 9.2Upgrade to: after 9.2Stated by: NVD
  • HpuxAffected: ≤ b.11.31Upgrade to: after b.11.31Stated by: NVD
  • SendmailAffected: ≤ 8.14.8Upgrade to: after 8.14.8Stated by: NVD
  • Sendmail Inc. SendMail SMTP ServerAffected: от 8.0 до 8.14.9Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

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.

EPSS51st
Public exploit
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 51st 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.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Public exploit / PoCsource: packetstorm
  4. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

AV: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

And 16 more references. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Freebsd, not every advisory. This one: public exploit.