Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | < 4.6.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567ExploitMailing ListThird Party Advisory
- https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5cPatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/pull/3426PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stableThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567ExploitMailing ListThird Party Advisory
- https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5cPatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/pull/3426PatchThird Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stableThird Party Advisory
FAQ
What is CVE-2020-36177?
CVE-2020-36177 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2020-36177?
CVE-2020-36177 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-36177?
Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.