PT-2021-22010 · Unknown · Cbioportal

Ghost · Published 2021-12-16 · Updated 2021-12-20 · CVE-2021-38244

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: cbioportal versions 3.6.21 and older

Description: A regular expression denial of service (ReDoS) issue exists via a POST request to "/ProteinArraySignificanceTest.json". This allows for a denial of service attack.

Recommendations: For versions 3.6.21 and older, as a temporary workaround, consider restricting access to the "/ProteinArraySignificanceTest.json" endpoint until a patch is available. Avoid using this endpoint in production environments to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-38244

Affected Products

Cbioportal

References · 5

• 🔥 https://github.com/cBioPortal/cbioportal/issues/8680 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-38244 · Security Note
• https://osv.dev/vulnerability/CVE-2021-38244 · Vendor Advisory
• https://github.com/cBioPortal/cbioportal/pull/8751 · Note
• https://t.me/cibsecurity/34159 · Telegram Post