Multiple vulnerabilities in IBM Rational ClearQuest

Published: 2023-11-14

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-33850 CVE-2023-32342
CWE-ID	CWE-203 CWE-326
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	IBM Rational ClearQuest Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Observable discrepancy

EUVDB-ID: #VU82583

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33850

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to timing-based side channel in the RSA Decryption implementation. A remote attacker can send an overly large number of trial messages for decryption and gain unauthorized access to sensitive information on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Rational ClearQuest: 9.0.2 - 10.0.2

External links

http://www.ibm.com/support/pages/node/7041679

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.

2) Inadequate Encryption Strength

EUVDB-ID: #VU76487