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CVE-2014-7186

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

CVSS 2.010.0CriticalEPSS percentile99th66% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 3 sourcesFixVendor fixNo build named by the sources

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.

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 redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted use of here documents, aka the "redir_stack" issue.

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.

EPSS99th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

3 sources with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

66% chance of exploitation activity in the next 30 days, which ranks it in the 99th 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. EPSS band changecritical → high
  3. EPSS band changehigh → critical
  4. Patch availablerecord updated
  5. EPSS band changecritical → high
  6. Public exploit / PoCsource: packetstorm

Affected products

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

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

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

Scored 10.0 by NVD.

How it is reached

  • Access Vector NetworkExploitable remotely over the network
  • Access Complexity LowNo special conditions required
  • Authentication NoneNo authentication required

Impact if exploited

  • Confidentiality CompleteAll information is disclosed
  • Integrity CompleteAll data can be modified
  • Availability CompleteTotal shutdown of the affected resource

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 123 more references. See all after sign-in

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

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