Vulnerability Monitor

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CVE-2020-36177

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.

Published

2021-01-06T16:15:12.440

Last Modified

2024-11-21T05:28:53.853

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wolfssl	wolfssl	< 4.6.0	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567 Exploit, Mailing List, Third Party Advisory ([email protected])
https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6f7 Patch, Third Party Advisory ([email protected])
https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5c0f Patch, Third Party Advisory ([email protected])
https://github.com/wolfSSL/wolfssl/pull/3426 Patch, Third Party Advisory ([email protected])
https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stable Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6f7 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5c0f Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/wolfSSL/wolfssl/pull/3426 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stable Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)