Security Bulletin: Multiple vulnerabilities in OpenSSL affects IBM Rational ClearCase

Summary

OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is used by IBM Rational ClearCase. [CVE-2023-3817, CVE-2023-2975]

Vulnerability Details

CVEID:CVE-2023-3817
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a flaw when using the DH_check(), DH_check_ex() or EVP_PKEY_param_check() functions to check a DH key or DH parameters. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause long delays, and results in a denial of service condition.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/262046 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-2975
**DESCRIPTION:**OpenSSL could allow a remote attacker to bypass security restrictions, caused by AES-SIV cipher implementation. By sending a specially-crafted request using empty data entries as associated data, an attacker could exploit this vulnerability to bypass authentication validation.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/260817 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

Apply a fix pack as listed in the table below. The fix pack includes OpenSSL 3.0.12**.**

Affected Versions

|

Applying the fix

—|—
9.1 through 9.1.0.5| Install Rational ClearCase Fix Pack 6 (9.1.0.6) for 9.1
10.0.1| Install Rational ClearCase Fix Pack 1 (10.0.1.1) for 10.0.1

For 9.0.2.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

_For 10.0.0.x releases, IBM recommends upgrading to 10.0.1.x release. _

Workarounds and Mitigations

None