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CVE-2016-8864

Exploitation likely. EPSS gives it a 39% chance of exploitation in the next 30 days. Fixed in 9.9.9.

CVSS 3.17.5HighEPSS percentile99th39% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix9.9.9Upgrade to this build
Check it yourself

OpenVAS · 41 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.106366

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Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Isc BindAffected: ≥ 9.0.0, < 9.9.9Upgrade to: 9.9.9Stated by: NVD
  • Novell Inc. SUSE OpenStack CloudAffected: 5.0Upgrade to: not statedStated by: BDU
  • Red Hat Inc. Red Hat Enterprise LinuxAffected: 5Upgrade to: not statedStated by: BDU
  • Сообщество свободного программного обеспечения Debian GNU/LinuxAffected: 9Upgrade to: not statedStated by: BDU
  • Novell Inc. OpenSUSE LeapAffected: 42.2Upgrade to: not statedStated by: BDU

Versions as the sources state them. 11 more products have version data. 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

named in ISC BIND 9.x before 9.9.9-P4, 9.10.x before 9.10.4-P4, and 9.11.x before 9.11.0-P1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a DNAME record in the answer section of a response to a recursive query, related to db.c and resolver.c.

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
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

39% 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

11 events over 3526 days, from the signal feeds we watch.

  1. EPSS band changehigh → moderate
  2. EPSS band changehigh → moderate
  3. EPSS band changehigh → moderate
  4. OpenVAS check added
  5. EPSS band changehigh → moderate
  6. EPSS band changemoderate → high

Affected products

And 14 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

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

Sources

References in the record

And 20 more references. See all after sign-in

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