IBM GSKit-Crypto information disclosure
Summary
| CVE | CVE-2023-33850 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-08-22 21:15:07 UTC |
| Updated | 2026-11-10 12:10:00 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Problem Types: CWE-203 | CWE-203 CWE-203 Observable Discrepancy
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Hp | Hp-ux | - | All | All | All |
| Operating System | Ibm | Aix | - | All | All | All |
| Application | Ibm | Txseries For Multiplatform | 8.1 | All | All | All |
| Application | Ibm | Txseries For Multiplatform | 8.2 | All | All | All |
| Application | Ibm | Txseries For Multiplatform | 9.1 | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | TXSeries For Multiplatforms | affected 8.1, 8.2, 9.1 | Not specified |
| CNA | IBM | CICS TX Standard | affected 11.1 | Not specified |
| CNA | IBM | CICS TX Advanced | affected 10.1, 11.1 | Not specified |
| ADP | Ibm | Txseries For Multiplatform | affected 8.1 | Not specified |
| ADP | Ibm | Txseries For Multiplatform | affected 8.2 | Not specified |
| ADP | Ibm | Txseries For Multiplatform | affected 9.1 | Not specified |
| ADP | Ibm | Cics Tx | affected 11.1 | Not specified |
| ADP | Ibm | Cics Tx | affected 10.1 | Not specified |
| ADP | Ibm | Cics Tx | affected 11.1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Bulletin: "Timing Oracle in RSA Decryption" issue may affect GSKit shipped with IBM CICS TX Advanced | af854a3a-2127-422b-91ae-364da2661108 | www.ibm.com | Vendor Advisory |
| Security Bulletin: Timing Oracle in RSA Decryption vulnerability might affect GSKit supplied with IBM TXSeries for Multiplatforms. | af854a3a-2127-422b-91ae-364da2661108 | www.ibm.com | Vendor Advisory |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| Security Bulletin: "Timing Oracle in RSA Decryption " issue may affect GSKit shipped with IBM CICS TX Standard | af854a3a-2127-422b-91ae-364da2661108 | www.ibm.com | Vendor Advisory |
| security.netapp.com/advisory/ntap-20241108-0002 | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 20372 IBM DB2 information disclosure Vulnerability (7047481)
- 330167 IBM AIX Java Multiple Vulnerabilities (java_feb2024_advisory)
- 379387 IBM Java Software Development Kit (SDK) Security Vulnerability (7116432)
- 379431 IBM WebSphere Application ServerJava SDK Vulnerability (7058356)
- 755832 SUSE Enterprise Linux Security Update for java-1_8_0-ibm (SUSE-SU-2024:0605-1)
- 755835 SUSE Enterprise Linux Security Update for java-1_8_0-ibm (SUSE-SU-2024:0619-1)