Vulnerability Details : CVE-2018-12371
Potential exploit
An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.1, Thunderbird < 60, and Firefox < 61.
Vulnerability category: Overflow
Products affected by CVE-2018-12371
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-12371
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12371
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-12371
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The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12371
-
https://www.mozilla.org/security/advisories/mfsa2018-15/
Security vulnerabilities fixed in Firefox 61 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2018-19/
Security vulnerabilities fixed in Thunderbird 60 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1465686
1465686 - (CVE-2018-12371) Heap overflow write in SkEdgeBuilder::buildPolyExploit;Issue Tracking;Patch;Vendor Advisory
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https://www.mozilla.org/security/advisories/mfsa2018-16/
Security vulnerabilities fixed in Firefox ESR 60.1 — MozillaVendor Advisory
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