PT-2022-11717 · Unknown · Jerryscript

Symatrix6 · Published 2022-05-12 · Updated 2022-05-23 · CVE-2021-42863

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions JerryScript version fe3a5c0

Description A buffer overflow in the ecma builtin typedarray prototype filter() function allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.

Recommendations For JerryScript version fe3a5c0, consider disabling the ecma builtin typedarray prototype filter() function until a patch is available to prevent exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-42863

Affected Products

Jerryscript

References · 11

• 🔥 https://github.com/jerryscript-project/jerryscript/issues/4793 · Exploit
• https://github.com/jerryscript-project/jerryscript/pull/4794 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-42863 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-42863 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42863 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-42863 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-42863 · Security Note
• https://github.com/jerryscript-project/jerryscript/commit/4e8d6344a8b5cf8f00bd3d5e869147af06d0189e · Note
• https://t.me/cvenotify/30089 · Telegram Post
• https://t.me/cibsecurity/42467 · Telegram Post
• https://t.me/cvenotify/30578 · Telegram Post