PT-2022-20530 · Unknown · Lettersanitizer+1

Huunghia98 · Published 2022-06-23 · Updated 2022-07-06 · CVE-2022-31103

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions lettersanitizer versions prior to 1.0.2

Description The issue is a denial of service problem that occurs when processing a CSS at-rule @keyframes. This package is depended on by react-letter, therefore everyone using react-letter is also at risk.

Recommendations For versions prior to 1.0.2, update to version 1.0.2 to resolve the issue. As a temporary workaround, consider avoiding the use of the @keyframes CSS at-rule until the update is applied.

Exploit

Fix

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-754

Related Identifiers

CVE-2022-31103

GHSA-7R3R-GQ8P-V9JJ

Affected Products

Lettersanitizer

React-Letter

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31103.json · Exploit
• https://github.com/mat-sz/lettersanitizer/commit/96d3dfe2ef0465d47324ed4d13e91ba0816a173f · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-31103 · Security Note
• https://osv.dev/vulnerability/GHSA-7r3r-gq8p-v9jj · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-31103 · Vendor Advisory
• https://github.com/mat-sz/react-letter/issues/17 · Note
• https://github.com/mat-sz/react-letter · Note
• https://github.com/mat-sz/lettersanitizer · Note
• https://github.com/mat-sz/lettersanitizer/security/advisories/GHSA-7r3r-gq8p-v9jj · Note
• https://t.me/cibsecurity/45257 · Telegram Post