UBUNTU-CVE-2020-36177

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    UBUNTU-CVE-2020-36177

    Published: 6 Jan 2021Last Modified: 17 Oct 2026
    Upstream:
    CVE-2020-36177

    Summary:

    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

    Package

    Name: wolfssl

    Purl: pkg:deb/ubuntu/wolfssl?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.4.8+dfsg-1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2020-36177 | CVE-DB