CVE-2021-38510 — Command Injection in Mozilla Firefox

CWE-77 — Command Injection10 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.5%
top 35.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 8
Latest updateAug 21

Description

The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 94
▶NVDmozilla/firefox< 94.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.3
▶NVDmozilla/firefox_esr< 91.3.0
▶CVEListV5mozilla/thunderbirdunspecified — 91.3

🔴Vulnerability Details

3
GHSA
GHSA-h8g4-jwjc-gf58: The executable file warning was not presented when downloading↗2021-12-09
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OSV
CVE-2021-38510: The executable file warning was not presented when downloading↗2021-12-08
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CVEList
CVE-2021-38510: The executable file warning was not presented when downloading↗2021-12-08
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📋Vendor Advisories

5
Red Hat
Mozilla: Download Protections were bypassed by .inetloc files on Mac OS↗2021-11-02
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Debian
CVE-2021-38510: firefox - The executable file warning was not presented when downloading .inetloc files, w...↗2021
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Mozilla
Mozilla Foundation Security Advisory 2021-49: CVE-2021-38510↗
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Mozilla
Mozilla Foundation Security Advisory 2021-48: CVE-2021-38510↗
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Mozilla
Mozilla Foundation Security Advisory 2021-50: CVE-2021-38510↗
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💬Community

1
Bugzilla
Mozilla Firefox Download Protections were bypassed by .atloc / .ftploc files on MacOS↗2022-08-21
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CVE-2021-38510 — Command Injection in Mozilla Firefox | cvebase