PT-2022-11328 · Regexfn · Regexfn

Published 2022-06-27 · Updated 2023-08-08 · CVE-2021-40900

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 regexfn version 1.0.5

Description A Regular Expression Denial of Service (ReDOS) issue was found in the validation of crafted invalid emails.

Recommendations For regexfn version 1.0.5, consider updating to a newer version that addresses this issue, as the current version is affected by the ReDOS vulnerability when validating crafted invalid emails. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

CVE-2021-40900

Affected Products

Regexfn

References · 4

• 🔥 https://github.com/yetingli/SaveResults/blob/main/js/regexfn.js · Exploit
• https://osv.dev/vulnerability/CVE-2021-40900 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40900 · Security Note
• https://t.me/cibsecurity/45179 · Telegram Post