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CVE-2019-0539 Public exploit EPSS 82.9%

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in…

Microsoft · Microsoft Edge

Summary

A memory corruption flaw in the way the Chakra scripting engine handles objects in memory affects Microsoft Edge and ChakraCore. An attacker can achieve remote code execution by exploiting this flaw.

Official description · CVE.org

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2019-0567, CVE-2019-0568.

Breakdown
24.9 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Public exploit code (Exploit-DB) appeared 10 days after disclosure. No confirmed exploitation is recorded.

  1. Disclosedday 0
  2. Public exploit codeExploit-DB+10 days

See the family tree

4 related vulnerabilities in the same code over 22 months. The latest fix listed for Microsoft.ChakraCore is 1.11.6.

Same bug familyLinked by evidence that a fix failed or the same code was patched again. Oldest first.

  1. This CVECVE-2019-0539A remote code execution vulnerability exists in the way that the…8 Jan 2019
  2. same family
    CVE-2019-0567A remote code execution vulnerability exists in the way that the…8 Jan 2019
  3. relatedMedium

    Why these are linked:

    CVE-2020-1073A remote code execution vulnerability exists in the way that the…9 Jun 2020
  4. relatedMedium

    Why these are linked:

    CVE-2020-17054Chakra Scripting Engine Memory Corruption11 Nov 2020

Fixes in Microsoft.ChakraCoreNuGet package, by fixed version. Earlier and later fixes in the same package, not necessarily the same bug.

  1. 1.11.4CVE-2018-861812 Dec 2018
  2. 1.11.4CVE-2018-862412 Dec 2018
  3. 1.11.4CVE-2018-862912 Dec 2018
  4. 1.11.5CVE-2019-05398 Jan 2019
  5. 1.11.5CVE-2019-05678 Jan 2019
  6. 1.11.5CVE-2019-05688 Jan 2019
  7. 1.11.6CVE-2019-06486 Mar 2019Latest listed

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

Am I affected? What do I upgrade to?

From GitHub Security Advisories and OSV

1 package in 1 ecosystem. Main package: Microsoft.ChakraCore.

NuGetMicrosoft.ChakraCoreGHSA-3w4v-qfqc-3433

Upgrade to 1.11.11 or later

Fixes this CVE and 44 other known vulnerabilities in this package (CVE-2016-0191, CVE-2016-0193, +42).

Set the version to 1.11.11 or later in your .csproj.

First fixed in 1.11.5 for CVE-2019-0539.

Affected versions

If you runUpgrade to
All versions before 1.11.51.11.11first fix for this CVE: 1.11.5

“Up to” means the second version is the fix and is not affected.

Check your lockfile against all CVEs

What security researchers reported

Not named in any threat report yet

References

5 links, grouped by NVD tag
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