CVE-2022-29464

CVE-2022-29464 is a critical-severity (CVSS 9.8) vulnerability in WSO2 Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on April 25, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 16, 2022. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. WSO2 has 2 vulnerabilities in the KEV catalog, 1 of them linked to ransomware.

Certain WSO2 products allow unrestricted file upload with resultant remote code execution. The attacker must use a /fileupload endpoint with a Content-Disposition directory traversal sequence to reach a directory under the web root, such as a ../../../../repository/deployment/server/webapps directory. This affects WSO2 API Manager 2.2.0 up to 4.0.0, WSO2 Identity Server 5.2.0 up to 5.11.0, WSO2 Identity Server Analytics 5.4.0, 5.4.1, 5.5.0 and 5.6.0, WSO2 Identity Server as Key Manager 5.3.0 up to 5.11.0, WSO2 Enterprise Integrator 6.2.0 up to 6.6.0, WSO2 Open Banking AM 1.4.0 up to 2.0.0 and WSO2 Open Banking KM 1.4.0, up to 2.0.0.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• http://packetstormsecurity.com/files/166921/WSO-Arbitrary-File-Upload-Remote-Code-Execution.html
• http://www.openwall.com/lists/oss-security/2022/04/22/7
• https://github.com/hakivvi/CVE-2022-29464
• https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1738/
• http://packetstormsecurity.com/files/166921/WSO-Arbitrary-File-Upload-Remote-Code-Execution.html
• http://www.openwall.com/lists/oss-security/2022/04/22/7
• https://github.com/hakivvi/CVE-2022-29464
• https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1738/