PT-2020-6942 · Mozilla+5 · Firefox+5

Thomas Imbert · Published 2020-01-20 · Updated 2024-12-12 · CVE-2020-6796

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 73 Firefox ESR versions prior to 68.5

Description The issue is related to a buffer overflow, allowing a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. A content process could modify shared memory, leading to an out-of-bounds write, memory corruption, and a potentially exploitable crash.

Recommendations For Firefox versions prior to 73, update to version 73 or later to resolve the issue. For Firefox ESR versions prior to 68.5, update to version 68.5 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-1186

ALT-PU-2020-1237

ALT-PU-2020-1399

ALT-PU-2020-2408

ALT-PU-2020-2933

ALT-PU-2020-3442

ALT-PU-2021-1368

ALT-PU-2021-3368

BDU:2023-07822

CESA-2020_0512

CESA-2020_0520

CESA-2020_0521

CVE-2020-6796

DLA-2102-1

DSA-4620-1

MGASA-2020-0090

OPENSUSE-SU-2020:0230-1

OPENSUSE-SU-2020_0230-1

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

RHSA-2020:0512

RHSA-2020:0519

RHSA-2020:0520

RHSA-2020:0521

RHSA-2020_0512

RHSA-2020_0520

RHSA-2020_0521

SUSE-SU-2020:0383-1

SUSE-SU-2020:0384-1

SUSE-SU-2020:14290-1

SUSE-SU-2020_0383-1

SUSE-SU-2020_0384-1

SUSE-SU-2020_14290-1

USN-4278-1

USN-4278-2

USN-4278-3

Affected Products

Alt Linux

Centos

Firefox

Red Hat

Suse

Ubuntu

References · 1923

• 🔥 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/USN-4278-2 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07822 · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0090 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4278-3 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2020-06 · Vendor Advisory