CVE-2020-6828 — Path Traversal in Mozilla Firefox ESR

CWE-22 — Path Traversal CWE-20 — Improper Input Validation CWE-642 — External Control of Critical State Data CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents7 sources

Severity

7.5HIGHNVD

EPSS

0.4%

top 42.14%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Mozilla Firefox ESR

Timeline

PublishedApr 24

Latest updateMay 24

Description

A malicious Android application could craft an Intent that would have been processed by Firefox for Android and potentially result in a file overwrite in the user's profile directory. One exploitation vector for this would be to supply a user.js file providing arbitrary malicious preference values. Control of arbitrary preferences can lead to sufficient compromise such that it is generally equivalent to arbitrary code execution. *Note: This issue only affects Firefox for Android. Other operating…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5mozilla/firefox_esrunspecified — 68.7

▶NVDmozilla/firefox_esr< 68.7.0

🔴Vulnerability Details

GHSA

GHSA-9562-p32f-jq35: A malicious Android application could craft an Intent that would have been processed by Firefox for Android and potentially result in a file overwrite↗2022-05-24

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CVEList

CVE-2020-6828: A malicious Android application could craft an Intent that would have been processed by Firefox for Android and potentially result in a file overwrite↗2020-04-24

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📋Vendor Advisories

Red Hat

Mozilla: Preference overwrite via crafted Intent from malicious Android application↗2020-04-08

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Debian

CVE-2020-6828: firefox-esr - A malicious Android application could craft an Intent that would have been proce...↗2020

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Mozilla

Mozilla Foundation Security Advisory 2020-13: CVE-2020-6828↗

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💬Community

Bugzilla

CVE-2020-6828 Mozilla: Preference overwrite via crafted Intent from malicious Android application↗2020-04-07

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