Vulnerability Details : CVE-2018-5177
A vulnerability exists in XSLT during number formatting where a negative buffer size may be allocated in some instances, leading to a buffer overflow and crash if it occurs. This vulnerability affects Firefox < 60.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2018-5177
Probability of exploitation activity in the next 30 days: 1.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 83 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-5177
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-5177
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-5177
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1451908
1451908 - (CVE-2018-5177) undefined behavior results in negative allocation sizeIssue Tracking;Permissions Required;Vendor Advisory
-
https://usn.ubuntu.com/3645-1/
USN-3645-1: Firefox vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securitytracker.com/id/1040896
Mozilla Firefox Multiple Bugs Let Remote Users Spoof Filenames, Bypass Security Restrictions, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/104139
Mozilla Firefox MFSA2018-11 Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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https://www.mozilla.org/security/advisories/mfsa2018-11/
Security vulnerabilities fixed in Firefox 60 — MozillaVendor Advisory
Products affected by CVE-2018-5177
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- 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:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*