CVE-2018-5136 — Improper Input Validation in Mozilla Firefox

CWE-20 — Improper Input Validation8 documents5 sources
Severity
7.5HIGHNVD
OSV8.8
EPSS
0.9%
top 24.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedJun 11
Latest updateMay 14

Description

A shared worker created from a "data:" URL in one tab can be shared by another tab with a different origin, bypassing the same-origin policy. This vulnerability affects Firefox < 59.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/firefox< firefox 59.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 59
▶NVDmozilla/firefox< 59.0
▶Ubuntumozilla/firefox< 59.0+build5-0ubuntu0.14.04.1+4

Also affects: Ubuntu Linux 14.04, 16.04, 17.10

🔴Vulnerability Details

4
GHSA
GHSA-r2hj-76r8-9wfq: A shared worker created from a "data:" URL in one tab can be shared by another tab with a different origin, bypassing the same-origin policy↗2022-05-14
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OSV
firefox regression↗2018-04-06
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OSV
firefox vulnerabilities↗2018-03-14
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OSV
CVE-2018-5136: A shared worker created from a "data:" URL in one tab can be shared by another tab with a different origin, bypassing the same-origin policy↗2018-03-14
▶

📋Vendor Advisories

3
Ubuntu
Firefox regression↗2018-04-06
▶
Ubuntu
Firefox vulnerabilities↗2018-03-14
▶
Debian
CVE-2018-5136: firefox - A shared worker created from a "data:" URL in one tab can be shared by another t...↗2018
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