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CVE-2019-11707

A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash....

Basic Information

CVE State
PUBLISHED
Reserved Date
May 03, 2019
Published Date
July 23, 2019
Last Updated
February 07, 2025
Vendor
Mozilla
Product
Firefox ESR, Firefox, Thunderbird
Description
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.

CVSS Scores

CVSS v3.1

8.8 - HIGH

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

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (added 2022-05-23 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2019-08-18 07:41:01 UTC) Source

References

https://www.mozilla.org/security/advisories/mfsa2019-20/ https://www.mozilla.org/security/advisories/mfsa2019-18/ https://bugzilla.mozilla.org/show_bug.cgi?id=1544386 https://security.gentoo.org/glsa/201908-12

Known Exploited Vulnerability Information

Source Added Date
CISA 2022-05-23 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

vigneshsrao/CVE-2019-11707

Type: github • Created: 2019-08-18 07:41:01 UTC • Stars: 42

Exploit code for CVE-2019-11707 on Firefox 66.0.3 running on Ubuntu