UBUNTU-CVE-2020-36177
- Source
- https://ubuntu.com/security/CVE-2020-36177
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36177.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-36177
- Upstream
- Published
- 2021-01-06T16:15:00Z
- Modified
- 2025-07-14T06:45:27.607517Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- - medium
- Summary
- [none]
- Details
-
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://ubuntu.com/security/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
- https://www.cve.org/CVERecord?id=CVE-2020-36177
Affected packages
Ubuntu:Pro:16.04:LTS / wolfssl
Package
- Name
- wolfssl
- Purl
- pkg:deb/ubuntu/wolfssl@3.4.8+dfsg-1?arch=source&distro=esm-apps/xenial
Ubuntu:Pro:18.04:LTS / wolfssl
Package
- Name
- wolfssl
- Purl
- pkg:deb/ubuntu/wolfssl@3.13.0+dfsg-1?arch=source&distro=esm-apps/bionic
Ubuntu:Pro:20.04:LTS / wolfssl
Package
- Name
- wolfssl
- Purl
- pkg:deb/ubuntu/wolfssl@4.3.0+dfsg-2?arch=source&distro=esm-apps/focal
Ubuntu:22.04:LTS / wolfssl
Package
- Name
- wolfssl
- Purl
- pkg:deb/ubuntu/wolfssl@5.2.0-2?arch=source&distro=jammy
Ubuntu:24.04:LTS / wolfssl
Package
- Name
- wolfssl
- Purl
- pkg:deb/ubuntu/wolfssl@5.6.6-1.3build1?arch=source&distro=noble