CVE-2017-7767 — Improper Privilege Management in Mozilla Firefox

CWE-269 — Improper Privilege Management3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 66.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRDebian Firefox+1 more
Timeline
PublishedJun 11
Latest updateMay 13

Description

The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using the Mozilla Windows Updater, which runs with the Maintenance Service's privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶CVEListV5mozilla/firefoxunspecified — 54
▶NVDmozilla/firefox< 52.2.0+1
▶CVEListV5mozilla/firefox_esrunspecified — 52.2

🔴Vulnerability Details

1
GHSA
GHSA-cfrv-hc6m-h3rp: The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using the Mozilla Windows Updater,↗2022-05-13
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📋Vendor Advisories

1
Debian
CVE-2017-7767: firefox - The Mozilla Maintenance Service can be invoked by an unprivileged user to overwr...↗2017
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