UBUNTU-CVE-2021-3531

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    UBUNTU-CVE-2021-3531

    Published: 18 May 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3531

    Summary:

    Details: A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.

    References: https://ubuntu.com/security/CVE-2021-3531, https://www.openwall.com/lists/oss-security/2021/05/14/5, https://ubuntu.com/security/notices/USN-4998-1, https://ubuntu.com/security/notices/USN-5128-1, https://www.cve.org/CVERecord?id=CVE-2021-3531

    Affected packages

    Package

    Name: ceph

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -12.2.13-0ubuntu0.18.04.10

    Affected versions

    12.2.0-0ubuntu1
    12.2.1-0ubuntu1
    12.2.2-0ubuntu1
    12.2.2-0ubuntu2
    12.2.4-0ubuntu1
    12.2.4-0ubuntu1.1
    12.2.7-0ubuntu0.18.04.1
    12.2.8-0ubuntu0.18.04.1
    12.2.8-0ubuntu0.18.04.2
    12.2.11-0ubuntu0.18.04.1
    12.2.11-0ubuntu0.18.04.2
    12.2.12-0ubuntu0.18.04.1
    12.2.12-0ubuntu0.18.04.2
    12.2.12-0ubuntu0.18.04.3
    12.2.12-0ubuntu0.18.04.4
    12.2.12-0ubuntu0.18.04.5
    12.2.13-0ubuntu0.18.04.2
    12.2.13-0ubuntu0.18.04.3
    12.2.13-0ubuntu0.18.04.4
    12.2.13-0ubuntu0.18.04.5
    12.2.13-0ubuntu0.18.04.6
    12.2.13-0ubuntu0.18.04.7
    12.2.13-0ubuntu0.18.04.8

    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-2021-3531 | CVE-DB