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CVE-2021-3798

Quick assessment

Affected
n/a opencryptoki
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，该漏洞源于当通过 C_CreateObject 创建 EC 密钥时，或者当 C_DeriveKey 与 ECDH 公共数据一起使用时，openCryptoki 软令牌不检查 EC 密钥是否有效，攻击者利用该漏洞可以通过执行无效曲线攻击来提取私钥。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1552.003 · Shell History
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I. Basic Information for CVE-2021-3798

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via C_CreateObject, nor when C_DeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
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，该漏洞源于当通过 C_CreateObject 创建 EC 密钥时，或者当 C_DeriveKey 与 ECDH 公共数据一起使用时，openCryptoki 软令牌不检查 EC 密钥是否有效，攻击者利用该漏洞可以通过执行无效曲线攻击来提取私钥。
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
- opencryptoki Fixed in v3.17.0 -

II. Public POCs for CVE-2021-3798

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III. Intelligence Information for CVE-2021-3798

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Patches & Fixes for CVE-2021-3798 (2)

Vendor Advisories for CVE-2021-3798 (2)

Same Patch Batch · n/a · 2022-08-23 · 54 CVEs total

CVE-2022-24381 7.5 HIGH Denial of Service (DoS)
CVE-2022-25888 7.5 HIGH Denial of Service (DoS)
CVE-2022-25761 7.5 HIGH Denial of Service (DoS)
CVE-2022-24298 7.5 HIGH Denial of Service (DoS)
CVE-2022-21208 7.5 HIGH Denial of Service (DoS)
CVE-2022-25231 7.5 HIGH Denial of Service (DoS)
CVE-2022-25304 7.5 HIGH Denial of Service (DoS)
CVE-2022-25302 7.5 HIGH Denial of Service (DoS)
CVE-2022-37428 6.5 MEDIUM PowerDNS Recursor 安全漏洞
CVE-2021-3839 DPDK 缓冲区错误漏洞
CVE-2021-3690 Red Hat JBoss Enterprise Application Platform资源管理错误漏洞
CVE-2022-35115 IceWarp WebClient SQL注入漏洞
CVE-2020-35509 Red Hat Keycloak 信任管理问题漏洞
CVE-2021-3827 Red Hat Keycloak 授权问题漏洞
CVE-2022-37111 BlueCMS SQL注入漏洞
CVE-2022-37112 BlueCMS SQL注入漏洞
CVE-2022-37113 BlueCMS SQL注入漏洞
CVE-2022-37223 jfinal cms SQL注入漏洞
CVE-2022-37199 jfinal cms SQL注入漏洞
CVE-2022-36261 taoCMS 路径遍历漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: opencryptoki
Same vendor: n/a
Same weakness: CWE-200

V. Comments for CVE-2021-3798

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