Security features bypass in IBM CICS TX Standard - CVE-2023-33847

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Main Vulnerability Database Vulnerabilities #VU77134

Security features bypass in IBM CICS TX Standard - CVE-2023-33847

Published: June 9, 2023


Vulnerability identifier: #VU77134
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-33847
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to IBM CICS TX Standard does not set the secure attribute on authorization tokens or session cookies. A remote attacker can get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to.


Affected software

IBM CICS TX Standard
IBM CICS TX Advanced
IBM TXSeries for Multiplatforms

How to mitigate CVE-2023-33847

Install updates from vendor's website.

IBM CICS TX Standard - update to 11.1.0.0 ifix10
IBM TXSeries for Multiplatforms - addressed in versions 8.2.0.2, 9.1.0.2
IBM CICS TX Advanced - addressed in versions 10.1.0.0 ifix17, 11.1.0.0 ifix10

External References

Related Security Bulletins