PT-2020-5975 · Mozilla · Firefox Esr

Pedro Oliveira · Published 2020-07-28 · Updated 2020-08-12 · CVE-2020-15650

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 68.11

Description The issue is related to insecure privilege management in Firefox ESR for Android, allowing an attacker to overwrite local files, including Firefox settings, if a malicious file picker application is installed. This does not allow access to the previous profile. The estimated number of potentially affected devices is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For Firefox ESR versions prior to 68.11, update to version 68.11 or later to resolve the issue. As a temporary workaround, consider restricting the use of file picker applications to minimize the risk of exploitation.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-02166

CVE-2020-15650

Affected Products

Firefox Esr

References · 9

• https://security-tracker.debian.org/tracker/CVE-2020-15650 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15650 · Security Note
• https://osv.dev/vulnerability/CVE-2020-15650 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02166 · Security Note
• https://mozilla.org/security/advisories/mfsa2020-31 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2020-31 · Vendor Advisory
• https://vuldb.com/?id.159460 · Note
• https://bugzilla.mozilla.org/show_bug.cgi?id=1652360 · Note
• https://cxsecurity.com/cveshow/CVE-2020-15650 · Note