xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or throwing. This breaks the assumption that there is only a single root node in the tree, which led to issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7, @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround, please one of the following approaches depending on your use case: instead of searching for elements in the whole DOM, only search in the `documentElement`or reject a document with a document that has more then 1 `childNode`.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer`     module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and     adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or     throwing. This breaks the assumption that there is only a single root node in the tree, which led to     issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7,     @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround,     please one of the following approaches depending on your use case: instead of searching for elements in     the whole DOM, only search in the `documentElement`or reject a document with a document that has more then     1 `childNode`. (CVE-2022-39353)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer`
    module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and
    adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or
    throwing. This breaks the assumption that there is only a single root node in the tree, which led to
    issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7,
    @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround,
    please one of the following approaches depending on your use case: instead of searching for elements in
    the whole DOM, only search in the `documentElement`or reject a document with a document that has more then
    1 `childNode`. (CVE-2022-39353)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6102-1 advisory.

    It was discovered that xmldom incorrectly handled certain inputs. If a user or an automated system were     tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to     cause

    unexpected syntactic changes during XML processing. This issue only affected Ubuntu 20.04 LTS.
    (CVE-2021-21366)

    It was discovered that xmldom incorrectly handled certain inputs. If a user or an automated system were     tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to     cause a denial of service. (CVE-2022-37616, CVE-2022-39353)

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.

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3260 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3260-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                       Guilhem Moulin     January 01, 2023                              https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : node-xmldom     Version        : 0.1.27+ds-1+deb10u2     CVE ID         : CVE-2021-21366 CVE-2022-39353     Debian Bug     : 1024736

    It was discovered that node-xmldom, a standard XML DOM (Level2 CORE)     implementation in pure javascript, processed ill-formed XML, which may result in     bugs and security holes in downstream applications.

    CVE-2021-21366

        xmldom versions 0.4.0 and older do not correctly preserve system         identifiers, FPIs or namespaces when repeatedly parsing and serializing         maliciously crafted documents.  This may lead to unexpected syntactic         changes during XML processing in some downstream applications.

    CVE-2022-39353

        Mark Gollnick discovered that xmldom parses XML that is not well-formed         because it contains multiple top level elements, and adds all root nodes to         the `childNodes` collection of the `Document`, without reporting or throwing         any error.  This breaks the assumption that there is only a single root node         in the tree, and may open security holes such as CVE-2022-39299 in         downstream applications.

    For Debian 10 buster, these problems have been fixed in version     0.1.27+ds-1+deb10u2.

    We recommend that you upgrade your node-xmldom packages.

    For the detailed security status of node-xmldom please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/node-xmldom

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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

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

ID	Name	Product	Family	Severity
259519	Linux Distros Unpatched Vulnerability : CVE-2022-39353	Nessus	Misc.	critical
414069	SCA: security update for @xmldom/xmldom (GHSA-crh6-fp67-6883)	Tenable Cloud Security	SCA Checks	critical
414069	SCA: security update for @xmldom/xmldom (GHSA-crh6-fp67-6883)	Tenable Self-Hosted Container Security	SCA Checks	critical
176324	Ubuntu 20.04 LTS / 22.04 LTS : xmldom vulnerabilities (USN-6102-1)	Nessus	Ubuntu Local Security Checks	critical
169694	Debian dla-3260 : node-xmldom - security update	Nessus	Debian Local Security Checks	critical

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