Vulnerability Details : CVE-2018-5114
If an existing cookie is changed to be "HttpOnly" while a document is open, the original value remains accessible through script until that document is closed. Network requests correctly use the changed HttpOnly cookie. This vulnerability affects Firefox < 58.
Vulnerability category: Information leak
Products affected by CVE-2018-5114
- 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:17.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-5114
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-5114
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2018-5114
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-5114
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1421324
1421324 - (CVE-2018-5114) Overwrite of existing cookie with HttpOnly flagged cookie results in HttpOnly being ignored by FirefoxIssue Tracking;Permissions Required
-
https://www.mozilla.org/security/advisories/mfsa2018-02/
Security vulnerabilities fixed in Firefox 58 — MozillaVendor Advisory
-
http://www.securityfocus.com/bid/102786
Mozilla Firefox MFSA2018-02 Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://usn.ubuntu.com/3544-1/
USN-3544-1: Firefox vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securitytracker.com/id/1040270
Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Bypass Cross-Domain Security Restrictions, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
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