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CVE
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CVE-2020-36177Date: (C)2021-01-07   (M)2023-12-22


RsaPad_PSS in wolfcrypt/src/rsa.c in wolfSSL before 4.6.0 has an out-of-bounds write for certain relationships between key size and digest size.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 10.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567
https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6f7
https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5c0f
https://github.com/wolfSSL/wolfssl/pull/3426
https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stable

CWE    1
CWE-787

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