The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6021-1 advisory.

    It was discovered that Chromium did not properly manage memory in several components. A remote attacker     could possibly use this issue to corrupt memory via a crafted HTML page, resulting in a denial of service,     or possibly execute arbitrary code. (CVE-2023-1528, CVE-2023-1530, CVE-2023-1531, CVE-2023-1533,     CVE-2023-1811, CVE-2023-1815, CVE-2023-1818)

    It was discovered that Chromium could be made to access memory out of bounds in WebHID. A remote attacker     could possibly use this issue to corrupt memory via a malicious HID device, resulting in a denial of     service, or possibly execute arbitrary code. (CVE-2023-1529)

    It was discovered that Chromium could be made to access memory out of bounds in several components. A     remote attacker could possibly use this issue to corrupt memory via a crafted HTML page, resulting in a     denial of service, or possibly execute arbitrary code. (CVE-2023-1532, CVE-2023-1534, CVE-2023-1810,     CVE-2023-1812, CVE-2023-1819, CVE-2023-1820)

    It was discovered that Chromium contained an inappropriate implementation in the Extensions component. A     remote attacker who convinced a user to install a malicious extension could possibly use this issue to     bypass file access restrictions via a crafted HTML page. (CVE-2023-1813)

    It was discovered that Chromium did not properly validate untrusted input in the Safe Browsing component.
    A remote attacker could possibly use this issue to bypass download checking via a crafted HTML page.
    (CVE-2023-1814)

    It was discovered that Chromium contained an inappropriate implementation in the Picture In Picture     component. A remote attacker could possibly use this issue to perform navigation spoofing via a crafted     HTML page. (CVE-2023-1816)

    It was discovered that Chromium contained an inappropriate implementation in the WebShare component. A     remote attacker could possibly use this issue to hide the contents of the Omnibox (URL bar) via a crafted     HTML page. (CVE-2023-1821)

    It was discovered that Chromium contained an inappropriate implementation in the Navigation component. A     remote attacker could possibly use this issue to perform domain spoofing via a crafted HTML page.
    (CVE-2023-1822)

    It was discovered that Chromium contained an inappropriate implementation in the FedCM component. A remote     attacker could possibly use this issue to bypass navigation restrictions via a crafted HTML page.
    (CVE-2023-1823)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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Ubuntu 18.04 LTS : Chromium vulnerabilities (USN-6021-1)

critical Nessus Plugin ID 174331

Version 1.1