CVE-2018-12387

 

Published at: - 18-10-2018 03:29

Last modified: - 24-09-2022 03:03

Total changes: - 2

Description

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

 

Verification logic

 

Reference

• https://www.mozilla.org/security/advisories/mfsa2018-24/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1493903
• DSA-4310-Third Party Advisory
• USN-3778-1-Third Party Advisory
• RHSA-2018:2884-Third Party Advisory
• RHSA-2018:2881-Third Party Advisory
• 1041770-Third Party Advisory, VDB Entry
• 105460-Third Party Advisory, VDB Entry
• GLSA-201810-01-Third Party Advisory

 

Keywords

NVD

 

CVE-2018-12387

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures