PT-2021-18053 · Unknown · Vfsjfilechooser2

Yetingli · Published 2021-06-21 · Updated 2022-01-06 · CVE-2021-29061

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: Vfsjfilechooser2 versions 0.2.9 and below

Description: A Regular Expression Denial of Service (ReDOS) issue was discovered, occurring when the application attempts to validate crafted URIs.

Recommendations: For Vfsjfilechooser2 versions 0.2.9 and below, consider updating to a version above 0.2.9 to resolve the issue. As a temporary workaround, consider restricting the validation of URIs to minimize the risk of exploitation.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-29061

GHSA-C7FH-CHF7-JR5X

Affected Products

Vfsjfilechooser2

References · 9

• 🔥 https://github.com/fracpete/vfsjfilechooser2/issues/7 · Exploit
• 🔥 https://github.com/yetingli/PoCs/blob/main/CVE-2021-29061/Vfsjfilechooser2.md · Exploit
• 🔥 https://github.com/yetingli/SaveResults/blob/main/md/vfsjfilechooser2.md · Exploit
• https://github.com/fracpete/vfsjfilechooser2/commit/9c9f2c317f3de5ece60a3ae28c371e9796e3909b · Patch
• https://osv.dev/vulnerability/GHSA-c7fh-chf7-jr5x · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29061 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29061 · Vendor Advisory
• https://github.com/fracpete/vfsjfilechooser2/releases/tag/vfsjfilechooser2-0.2.9 · Note
• https://t.me/cibsecurity/25590 · Telegram Post