VulnerabilityModified
CVE-2023-33850
IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation.
HIGH 7.5EPSS 1.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.17% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- ibm/txseries for multiplatform · ibm/cics tx
- Source
- psirt@us.ibm.com
References
- https://www.ibm.com/support/pages/node/7010369Vendor Advisory
- https://www.ibm.com/support/pages/node/7022413Vendor Advisory
- https://www.ibm.com/support/pages/node/7022414Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/257132
- https://security.netapp.com/advisory/ntap-20241108-0002/
- https://www.ibm.com/support/pages/node/7010369Vendor Advisory
- https://www.ibm.com/support/pages/node/7022413Vendor Advisory
- https://www.ibm.com/support/pages/node/7022414Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.