Out-of-bounds Write Affecting wolfssl package, versions <4.6.0-1
Threat Intelligence
EPSS
0.39% (74th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-WOLFSSL-1056261
- published 7 Jan 2021
- disclosed 6 Jan 2021
Introduced: 6 Jan 2021
CVE-2020-36177 Open this link in a new tabHow to fix?
Upgrade Debian:unstable wolfssl to version 4.6.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wolfssl package and not the wolfssl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-36177
- 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
CVSS Scores
version 3.1