Vulnerability CVE-2020-36177
Published: 2021-01-06

Description:
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.

Type:

CWE-787

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Wolfssl -> Wolfssl 

 References:
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
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