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I. Basic Information for CVE-2021-33560
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Libgcrypt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libgcrypt是GNU计划开发（Gnu计划开发）的一个基于GnuPG代码的通用加密库。该库实现了各种加密算法，包括对称密码、哈希算法、公开密钥算法等。 Libgcrypt 在1.8.8和1.9之前存在安全漏洞，该漏洞源于缺乏指数盲法来解决针对mpi powm的侧信道攻击，而且窗口大小选择不当。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-33560
#POC DescriptionSource LinkShenlong Link
1Tool to check whether a PGP client is affected by CVE-2021-33560https://github.com/IBM/PGP-client-checker-CVE-2021-33560POC Details
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III. Intelligence Information for CVE-2021-33560
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-33560

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