Vulnerability Details : CVE-2018-12387
Potential exploit
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.
Vulnerability category: Input validation
Products affected by CVE-2018-12387
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-12387
35.00%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12387
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2018-12387
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12387
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1493903
1493903 - (CVE-2018-12387) Infoleak bug from Hack2WinExploit;Issue Tracking;Patch;Vendor Advisory
-
http://www.securityfocus.com/bid/105460
Mozilla Firefox and Firefox ESR Remote Code Execution and Information Disclosure VulnerabilitiesThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2018:2884
RHSA-2018:2884 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/201810-01
Mozilla Firefox: Multiple vulnerabilities (GLSA 201810-01) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4310
Debian -- Security Information -- DSA-4310-1 firefox-esrThird Party Advisory
-
http://www.securitytracker.com/id/1041770
Mozilla Firefox File Processing Flaws Let Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2018:2881
RHSA-2018:2881 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://usn.ubuntu.com/3778-1/
USN-3778-1: Firefox vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2018-24/
Security vulnerabilities fixed in Firefox 62.0.3 and Firefox ESR 60.2.2 — MozillaVendor Advisory
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