CVE-2020-12418 — Out-of-bounds Read in Mozilla Firefox

CWE-125 — Out-of-bounds ReadCWE-200 — Sensitive Information Exposure18 documents11 sources
Severity
6.5MEDIUMNVD
OSV7.5
EPSS
1.2%
top 20.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+2 more
Timeline
PublishedJul 9
Latest updateMay 24

Description

Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages10 packages

▶CVEListV5mozilla/firefoxunspecified — 78
▶NVDmozilla/firefox< 78.0
▶CVEListV5mozilla/firefox_esrunspecified — 68.10
▶NVDmozilla/firefox_esr< 68.10
▶Ubuntumozilla/firefox< 78.0.1+build1-0ubuntu0.16.04.1+2

Also affects: Ubuntu Linux 16.04, 18.04, 19.10, 20.04

🔴Vulnerability Details

5
GHSA
GHSA-wqm8-hxqc-qwpc: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript↗2022-05-24
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CVEList
CVE-2020-12418: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript↗2020-07-09
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OSV
CVE-2020-12418: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript↗2020-07-09
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OSV
thunderbird vulnerabilities↗2020-07-08
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OSV
firefox vulnerabilities↗2020-07-02
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📋Vendor Advisories

9
Ubuntu
Thunderbird vulnerabilities↗2020-07-08
▶
Ubuntu
Firefox vulnerabilities↗2020-07-02
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Red Hat
Mozilla: Information disclosure due to manipulated URL object↗2020-06-30
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Debian
CVE-2020-12418: firefox - Manipulating individual parts of a URL object could have caused an out-of-bounds...↗2020
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Mozilla
Mozilla Foundation Security Advisory 2020-25: CVE-2020-12418↗
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🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: Information disclosure vulnerability in Mozilla Firefox↗2020-07-01
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Talos
Vulnerability Spotlight: Information disclosure vulnerability in Mozilla Firefox↗2020-07-01
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💬Community

1
Bugzilla
CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object↗2020-07-01
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CVE-2020-12418 — Out-of-bounds Read in Mozilla Firefox | cvebase