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CVE-2023-33850— IBM GSKit-Crypto information disclosure

Quick assessment

Affected
IBM TXSeries for Multiplatforms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM CICS TX Standard是美国国际商业机器（IBM）公司的一个综合的单一事务运行时包。可以为独立应用程序提供云原生部署模型。 IBM CICS TX Standard 11.1版本存在安全漏洞，该漏洞源于可能允许远程攻击者获取敏感信息。

CVSS 7.5 · High EPSS 1.17% · P66

Possible ATT&CK Techniques 1 AI

T1216 · System Script Proxy Execution
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I. Basic Information for CVE-2023-33850

Vulnerability Information
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Vulnerability Title
IBM GSKit-Crypto information disclosure
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
IBM CICS TX Standard 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM CICS TX Standard是美国国际商业机器（IBM）公司的一个综合的单一事务运行时包。可以为独立应用程序提供云原生部署模型。 IBM CICS TX Standard 11.1版本存在安全漏洞，该漏洞源于可能允许远程攻击者获取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1 -
IBM CICS TX Standard 11.1 -
IBM CICS TX Advanced 10.1, 11.1 -

II. Public POCs for CVE-2023-33850

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III. Intelligence Information for CVE-2023-33850

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Vendor Advisories for CVE-2023-33850 (4)

Same Patch Batch · IBM · 2023-08-22 · 5 CVEs total

CVE-2023-38734 6.6 MEDIUM IBM Robotic Process Automation privilege escalation
CVE-2023-38732 4.3 MEDIUM IBM Robotic Process Automation information disclosure
CVE-2023-38733 4.3 MEDIUM IBM Robotic Process Automation information disclosure
CVE-2023-40370 3.7 LOW IBM Robotic Process Automation information disclosure

IV. Related Vulnerabilities

Same product: TXSeries for Multiplatforms
Same vendor: IBM
Same weakness: CWE-203

V. Comments for CVE-2023-33850

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