UBUNTU-CVE-2020-15106

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    UBUNTU-CVE-2020-15106

    Published: 5 Aug 2020Last Modified: 2 Jul 2026
    Upstream:
    CVE-2020-15106

    Summary:

    Details: In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in decodeRecord method. The size of a record is stored in the length field of a WAL file and no additional validation is done on this data. Therefore, it is possible to forge an extremely large frame size that can unintentionally panic at the expense of any RAFT participant trying to decode the WAL.

    References: https://ubuntu.com/security/CVE-2020-15106, https://github.com/etcd-io/etcd/security/advisories/GHSA-p4g4-wgrh-qrg2, https://ubuntu.com/security/notices/USN-5628-1, https://ubuntu.com/security/notices/USN-5628-2, https://www.cve.org/CVERecord?id=CVE-2020-15106

    Affected packages

    Package

    Name: etcd

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.2.0+dfsg-2
    2.2.1+dfsg-1
    2.2.2+dfsg-1
    2.2.2+dfsg-2
    2.2.3+dfsg-1
    2.2.5+dfsg-1
    2.2.5+dfsg-1ubuntu1

    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-2020-15106 | CVE-DB