CVE-2023-33850 IBM GSKit-Crypto information disclosure

2023-08-2220:31:25

ibm

www.cve.org

ibm

gskit-crypto

remote attacker

sensitive information

rsa decryption

timing-based side channel

vulnerability

information disclosure

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.0%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "TXSeries for Multiplatforms",
    "vendor": "IBM",
    "versions": [
      {
        "status": "affected",
        "version": "8.1, 8.2, 9.1"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "CICS TX Standard",
    "vendor": "IBM",
    "versions": [
      {
        "status": "affected",
        "version": "11.1"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "CICS TX Advanced",
    "vendor": "IBM",
    "versions": [
      {
        "status": "affected",
        "version": "10.1, 11.1"
      }
    ]
  }
]