high
7.5
CWE
203
CVE Published
Advisory Published
Updated

CVE-2023-33850: IBM GSKit-Crypto information disclosure

First published: Tue Aug 22 2023(Updated: )

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 257132.

Credit: psirt@us.ibm.com psirt@us.ibm.com

Affected SoftwareAffected VersionHow to fix
IBM TXSeries for Multiplatform=8.1
IBM TXSeries for Multiplatform=9.1
IBM AIX
Linux Linux kernel
IBM TXSeries for Multiplatform=8.2
HP HP-UX
Microsoft Windows
IBM CICS TX=11.1
IBM CICS TX=10.1
IBM CICS TX=11.1
All of
Any of
IBM TXSeries for Multiplatform=8.1
IBM TXSeries for Multiplatform=9.1
Any of
IBM AIX
Linux Linux kernel
All of
IBM TXSeries for Multiplatform=8.2
Any of
HP HP-UX
IBM AIX
Linux Linux kernel
Microsoft Windows
All of
IBM CICS TX=11.1
Linux Linux kernel
All of
Any of
IBM CICS TX=10.1
IBM CICS TX=11.1
Linux Linux kernel
IBM Cognos Controller<=11.0.0 - 11.0.1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-33850?

    CVE-2023-33850 is a vulnerability in IBM GSKit-Crypto that allows a remote attacker to obtain sensitive information through a timing-based side channel in the RSA Decryption implementation.

  • How does CVE-2023-33850 work?

    CVE-2023-33850 works by sending an overly large number of trial messages for decryption, which can be exploited by an attacker to obtain sensitive information.

  • What is the severity of CVE-2023-33850?

    CVE-2023-33850 has a severity rating of 7.5 (high).

  • Which software products are affected by CVE-2023-33850?

    IBM TXSeries for Multiplatforms versions 8.1, 8.2, and 9.1 are affected by CVE-2023-33850.

  • How can I fix CVE-2023-33850?

    To fix CVE-2023-33850, apply the appropriate patch provided by IBM for your version of IBM TXSeries for Multiplatforms.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203