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Vulnerability CVE-2021-43398
Published: 2021-11-04
| Description: |
Crypto++ (aka Cryptopp) 8.6.0 and earlier contains a timing leakage in MakePublicKey(). There is a clear correlation between execution time and private key length, which may cause disclosure of the length information of the private key. This might allow attackers to conduct timing attacks. |
Type:
CWE-203 (Information Exposure Through Discrepancy)
CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
5/10 |
2.9/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
None |
None |
References: |
https://github.com/weidai11/cryptopp/issues/1080
https://cryptopp.com
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