UBUNTU-CVE-2020-29362

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    UBUNTU-CVE-2020-29362

    Published: 16 Dec 2020Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-29362
    Aliases:
    USN-4677-1

    Summary:

    Details: An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

    References: https://ubuntu.com/security/CVE-2020-29362, https://lists.freedesktop.org/archives/p11-glue/2020-December/000712.html, https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwc, https://ubuntu.com/security/notices/USN-4677-1, https://www.cve.org/CVERecord?id=CVE-2020-29362

    Affected packages

    Package

    Name: p11-kit

    Purl: pkg:deb/ubuntu/[email protected]~ubuntu16.04.2?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.23.2-5~ubuntu16.04.2

    Affected versions

    0.23.1-3
    0.23.2-2
    0.23.2-3
    0.23.2-5~ubuntu16.04.1

    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-2020-29362 | CVE-DB