Multiple vulnerabilities in IBM WebSphere Application Server



Published: 2022-09-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-2369
CWE-ID CWE-347
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
IBM WebSphere Application Server
Server applications / Application servers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU55058

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2369

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in JAR validation implementation. A remote attacker can modify the signed JAR file in a way it will be considered as signed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 8.5 - 9.0

External links

http://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-in-ibm-java-sdk-affect-websphere-application-server-july-2021-cpu-2/
http://www.ibm.com/support/pages/node/6481135


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###