PT-2021-20659 · Valine · Valine

Published 2021-06-16 · Updated 2022-05-03 · CVE-2021-34801

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Valine version 1.4.14

Description: The issue allows remote attackers to cause a denial of service, resulting in an application outage. This can be achieved by supplying a ua value, also known as the User-Agent, that only specifies the product and version.

Recommendations: For Valine version 1.4.14, consider restricting or validating the ua value to prevent denial of service attacks until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2021-34801

GHSA-P2C4-GXP4-J3XP

Affected Products

Valine

References · 6

• 🔥 https://github.com/xCss/Valine/issues/366 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-34801 · Security Note
• https://osv.dev/vulnerability/GHSA-p2c4-gxp4-j3xp · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34801 · Vendor Advisory
• https://github.com/xCss/Valine · Note
• https://t.me/cvenotify/16459 · Telegram Post