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CVE-2019-12900

Public exploit available. Not confirmed exploited in the wild yet. Fixed in 3.7.13.

CVSS 3.19.8CriticalEPSS percentile95th8.0% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 2 sourcesFix3.7.13Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

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

  • Bzip2Affected: ≤ 1.0.6Upgrade to: after 1.0.6Stated by: NVD
  • PythonAffected: ≥ 3.7.0, < 3.7.13Upgrade to: 3.7.13Stated by: NVD
  • Oracle Corp. DatabaseAffected: 11.2.0.4Upgrade to: not statedStated by: BDU
  • Canonical Ltd. UbuntuAffected: 16.04 LTSUpgrade to: not statedStated by: BDU
  • Novell Inc. SUSE Linux Enterprise Server for SAP ApplicationsAffected: 12 SP2Upgrade to: not statedAffected: 12 SP4Upgrade to: not statedStated by: BDU

Versions as the sources state them. 13 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

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

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.

EPSS95th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

2 sources with a proof of concept or module.

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

8.0% chance of exploitation activity in the next 30 days, which ranks it in the 95th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 270 days before any public exploit.

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

Affected products

And 13 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:H/I:H/A:H

Scored 9.8 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 HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • 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 43 more references. See all after sign-in

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