PT-2021-3667 · Mozilla+4 · Firefox+4

Andrew Mccreight + 3 · Published 2021-07-13 · Updated 2024-12-12 · CVE-2021-29977

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 90

Description The issue is caused by a buffer overflow in memory, potentially allowing a remote attacker to execute arbitrary code. It is reported that memory safety bugs present in Firefox 89 could be exploited with enough effort to run arbitrary code.

Recommendations For Firefox versions prior to 90, update to version 90 or later to resolve the issue.

Exploit

Fix

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALT-PU-2021-2261

ALT-PU-2021-2725

ALT-PU-2021-2881

ALT-PU-2021-3368

ALT-PU-2021-3369

ALT-PU-2022-1781

ALT-PU-2022-1782

BDU:2021-03900

CVE-2021-29977

OESA-2023-1673

OESA-2023-1674

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

USN-5011-1

Affected Products

Alt Linux

Astra Linux

Firefox

Linuxmint

Ubuntu

References · 2188

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/firefox_jit_use_after_free.rb · Exploit
• 🔥 https://github.com/mistymntncop/CVE-2022-26485 · Exploit
• 🔥 https://github.com/aleksejspopovs/cve-2020-16012 · Exploit
• 🔥 https://github.com/R0jhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/HassanAzze/CVE-2020-6514 · Exploit
• 🔥 https://github.com/rojhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/hasan-khalil/CVE-2020-6514 · Exploit
• 🔥❌ https://github.com/marcinguy/CVE-2020-15999 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2022-1529 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-25730 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-23603 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-28162 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-38477 · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2021-28 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26978 · Security Note