USN-6370-1

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    USN-6370-1

    Published: 14 Sept 2023Last Modified: 29 Jun 2026

    Summary: modsecurity-apache vulnerabilities

    Details: It was discovered that ModSecurity incorrectly handled certain nested JSON objects. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-42717) It was discovered that ModSecurity incorrectly handled certain HTTP multipart requests. A remote attacker could possibly use this issue to bypass ModSecurity restrictions. (CVE-2022-48279) It was discovered that ModSecurity incorrectly handled certain file uploads. A remote attacker could possibly use this issue to cause a buffer overflow and a firewall failure. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-24021)

    References: https://ubuntu.com/security/notices/USN-6370-1, https://ubuntu.com/security/CVE-2021-42717, https://ubuntu.com/security/CVE-2022-48279, https://ubuntu.com/security/CVE-2023-24021

    Affected packages

    Package

    Name: modsecurity-apache

    Purl: pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.7.7-2ubuntu0.1~esm1

    Affected versions

    2.7.4-1
    2.7.5-1
    2.7.7-1
    2.7.7-1ubuntu1
    2.7.7-2

    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
    USN-6370-1 | CVE-DB