CVE-2018-5114 — Sensitive Information Exposure in Mozilla Firefox

CWE-200 — Sensitive Information Exposure8 documents5 sources
Severity
5.3MEDIUMNVD
OSV9.8
EPSS
0.5%
top 35.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedJun 11
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

▶debiandebian/firefox< firefox 58.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 58
▶Ubuntumozilla/firefox< 58.0+build6-0ubuntu0.14.04.1+4
▶NVDmozilla/firefox57.0.4

Also affects: Ubuntu Linux 14.04, 16.04, 17.10

🔴Vulnerability Details

4
GHSA
GHSA-28wg-555g-fr2v: If an existing cookie is changed to be "HttpOnly" while a document is open, the original value remains accessible through script until that document i↗2022-05-14
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OSV
firefox regressions↗2018-02-12
▶
OSV
firefox vulnerabilities↗2018-01-24
▶
OSV
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 i↗2018-01-23
▶

📋Vendor Advisories

3
Ubuntu
Firefox regressions↗2018-02-12
▶
Ubuntu
Firefox vulnerabilities↗2018-01-24
▶
Debian
CVE-2018-5114: firefox - If an existing cookie is changed to be "HttpOnly" while a document is open, the ...↗2018
▶