CVE-2020-36177
First published: Wed Jan 06 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WolfSSL wolfssl | <4.6.0 |
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Reference Links
- 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
Frequently Asked Questions
What is CVE-2020-36177?
CVE-2020-36177 is a vulnerability in wolfSSL before version 4.6.0 that allows an out-of-bounds write in RsaPad_PSS function.
What is the severity of CVE-2020-36177?
The severity of CVE-2020-36177 is critical (CVSS score: 9.8).
How does CVE-2020-36177 affect wolfSSL?
CVE-2020-36177 affects wolfSSL versions up to but excluding 4.6.0.
How can I fix CVE-2020-36177?
To fix CVE-2020-36177, update wolfSSL to version 4.6.0 or newer.
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