Vulnerability · Published Aug 22, 2023 · Assigned by ibm
CVE-2023-33850IBM GSKit-Crypto information disclosure
High 7.5
In plain English
A high-severity security flaw in CICS TX Advanced from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 32.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | TXSeries for Multiplatforms | 8.1, 8.2, 9.1 |
| IBM | CICS TX Standard | 11.1 |
| IBM | CICS TX Advanced | 10.1, 11.1 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7010369 vendor-advisory
- https://www.ibm.com/support/pages/node/7022413 vendor-advisory
- https://www.ibm.com/support/pages/node/7022414 vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/257132 vdb-entry, x_transferred
- https://security.netapp.com/advisory/ntap-20241108-0002/