CVE-2023-33850 (GCVE-0-2023-33850)

Vulnerability from cvelistv5 – Published: 2023-08-22 20:31 – Updated: 2025-11-03 21:48
VLAI
Title
IBM GSKit-Crypto information disclosure
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM TXSeries for Multiplatforms Affected: 8.1, 8.2, 9.1
Create a notification for this product.
IBM CICS TX Standard Affected: 11.1
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IBM CICS TX Advanced Affected: 10.1, 11.1
Create a notification for this product.
ibm txseries_for_multiplatform Affected: 8.1
Affected: 8.2
Affected: 9.1
    cpe:2.3:a:ibm:txseries_for_multiplatform:8.1:*:*:*:*:*:*:*
 Create a notification for this product.
ibm cics_tx Affected: 11.1
Affected: 10.1
    cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:advanced:*:*:*
 Create a notification for this product.
ibm cics_tx Affected: 11.1
    cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:standard:*:*:*
 Create a notification for this product.
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.