PT-2020-6745 · Mozilla+4 · Firefox+4

Kevin Higgs · Published 2020-06-30 · Updated 2024-12-12 · CVE-2020-12415

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 78

Description The issue is related to Firefox's AppCache behavior when a "%" character followed by "2F" is present in a manifest URL. This could cause the appcache to be used to service requests for the top level directory, potentially allowing a remote attacker to disclose protected information.

Recommendations For versions prior to 78, update to version 78 or later to resolve the issue.

Exploit

Fix

Incorrect Default Permissions

Path traversal

Weakness Enumeration

CWE-138

CWE-276

CWE-22

Related Identifiers

ALT-PU-2020-2309

ALT-PU-2020-2408

ALT-PU-2020-2709

ALT-PU-2020-2933

ALT-PU-2020-2934

ALT-PU-2020-3442

ALT-PU-2021-1368

ALT-PU-2021-1369

ALT-PU-2021-3368

BDU:2022-05934

CVE-2020-12415

MGASA-2020-0378

OPENSUSE-SU-2020:0983-1

OPENSUSE-SU-2020:1017-1

OPENSUSE-SU-2020_0983-1

OPENSUSE-SU-2020_1017-1

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

SUSE-SU-2020:14421-1

SUSE-SU-2020:1898-1

SUSE-SU-2020:1899-1

USN-4408-1

Affected Products

Alt Linux

Firefox

Linuxmint

Suse

Ubuntu

References · 1935

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/firefox_jit_use_after_free.rb · Exploit
• 🔥 https://github.com/maxpl0it/CVE-2019-17026-Exploit · Exploit
• 🔥 https://github.com/aleksejspopovs/cve-2020-16012 · Exploit
• 🔥 https://github.com/lsw29475/CVE-2019-17026 · Exploit
• 🔥 https://github.com/R0jhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/hasan-khalil/CVE-2020-6514 · Exploit
• 🔥 https://github.com/HassanAzze/CVE-2020-6514 · Exploit
• 🔥 https://github.com/rojhack/CVE-2020-6514 · Exploit
• 🔥❌ https://github.com/marcinguy/CVE-2020-15999 · Exploit, Deleted
• https://osv.dev/vulnerability/openSUSE-SU-2020:1017-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-12425 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-12422 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0378 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2020-24 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4408-1 · Vendor Advisory