CVE-2022-23004— Algorithm incorrectly returning error and Invalid unreduced value written to output buffer
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I. Basic Information for CVE-2022-23004
Vulnerability Information
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Vulnerability Title
Algorithm incorrectly returning error and Invalid unreduced value written to output buffer
Source: NVD (National Vulnerability Database)
Vulnerability Description
When computing a shared secret or point multiplication on the NIST P-256 curve using a public key with an X coordinate of zero, an error is returned from the library, and an invalid unreduced value is written to the output buffer. This may be leveraged by an attacker to cause an error scenario, resulting in a limited denial of service for an individual user. The scope of impact cannot extend to other components.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
对消息或数据结构的处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Western Digital Sweet B 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Western Digital Sweet B是美国Western Digital公司的一个使用 NIST P-256 和 SECG secp256k1 曲线实现公钥椭圆曲线加密 (ECC) 的库。 Western Digital Sweet B library存在安全漏洞，该漏洞源于当使用X坐标为零的公钥在NIST P-256曲线上计算共享密钥或点乘时，将从库返回一个错误，并将一个无效的未删减值写入输出缓冲区。攻击者可能利用这一点来导致错误场景，从而对单个用户造成有限的拒绝服务。
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 |
|---|---|---|---|---|
| Western Digital | Sweet B Library | Sweet B Library ~ v2 | - |
II. Public POCs for CVE-2022-23004
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Western Digital · 2022-07-29 · 4 CVEs total
| CVE-2022-23001 | 5.3 MEDIUM | Sweet-B Library: Point compress/decompress using the wrong bit for sign |
| CVE-2022-23002 | 5.3 MEDIUM | Point Compression/Decompression of NIST P-256 points with X coordinate of zero |
| CVE-2022-23003 | 5.3 MEDIUM | Shared secret or Point multiplication of NIST P-256 points with X coordinate of zero |
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Same vendor: Western Digital
Same weakness: CWE-707
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V. Comments for CVE-2022-23004
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