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I. Basic Information for CVE-2021-3345
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
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 缓冲区错误漏洞
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 before 1.9.1 存在缓冲区错误漏洞，该漏洞源于Libgcrypt中的gcry md block write in cipher hash-common.c digest final函数设置一个大的计数值时出现基于堆的缓冲区溢出。
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-2021-3345
#POC DescriptionSource LinkShenlong Link
1POC exploit of CVE-2021-3345, a vulnerability in libgcrypt version 1.9.0https://github.com/MLGRadish/CVE-2021-3345POC Details
2Actual working exploit for CVE-2021-3345https://github.com/SpiralBL0CK/CVE-2021-3345POC Details
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III. Intelligence Information for CVE-2021-3345
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-3345

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