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CVE-2024-0914— Opencryptoki: timing side-channel in handling of rsa pkcs#1 v1.5 padded ciphertexts (marvin)

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
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.

openCryptoki是openCryptoki开源的一个适用于 Linux 的 PKCS#11 库和工具。 openCryptoki 存在安全漏洞，该漏洞源于处理 RSA PKCS#1 v1.5 填充密文时发现计时侧信道漏洞，此缺陷也可能导致未经授权的 RSA 密文解密或签名。

CVSS 5.9 · Medium EPSS 0.88% · P59

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2024-0914

Vulnerability Information
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Vulnerability Title
Opencryptoki: timing side-channel in handling of rsa pkcs#1 v1.5 padded ciphertexts (marvin)
Source: CVE Program / CVE List V5
Vulnerability Description
A timing side-channel vulnerability has been discovered in the opencryptoki package while processing RSA PKCS#1 v1.5 padded ciphertexts. This flaw could potentially enable unauthorized RSA ciphertext decryption or signing, even without access to the corresponding private key.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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
openCryptoki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openCryptoki是openCryptoki开源的一个适用于 Linux 的 PKCS#11 库和工具。 openCryptoki 存在安全漏洞，该漏洞源于处理 RSA PKCS#1 v1.5 填充密文时发现计时侧信道漏洞，此缺陷也可能导致未经授权的 RSA 密文解密或签名。
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
Red Hat Red Hat Enterprise Linux 8 0:3.21.0-10.el8_9 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 0:3.17.0-6.el8_6 ~ * cpe:/a:redhat:rhel_eus:8.6::crb
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:3.19.0-3.el8_8 ~ * cpe:/o:redhat:rhel_eus:8.8::baseos
Red Hat Red Hat Enterprise Linux 9 0:3.21.0-9.el9_3 ~ * cpe:/a:redhat:enterprise_linux:9::crb
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:3.19.0-3.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::crb
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7

II. Public POCs for CVE-2024-0914

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III. Intelligence Information for CVE-2024-0914

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Vendor Advisories for CVE-2024-0914 (7)

Other References for CVE-2024-0914 (1)

IV. Related Vulnerabilities

Same weakness: CWE-203

V. Comments for CVE-2024-0914

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