A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-200:01 advisory.

    * nodejs-brace-expansion: Regular expression denial of service (CVE-2017-18077)
      * nodejs-chownr: TOCTOU vulnerability in `chownr` function in chownr.js (CVE-2017-18869)
      * nodejs-sshpk: ReDoS when parsing crafted invalid public keys in lib/formats/ssh.js (CVE-2018-3737)
      * nodejs-deep-extend: Prototype pollution can allow attackers to modify object properties     (CVE-2018-3750)
      * npm: Symlink reference outside of node_modules folder through the bin field upon installation     (CVE-2019-16775)
      * npm: Arbitrary file write via constructed entry in the package.json bin field (CVE-2019-16776)
      * npm: Global node_modules Binary Overwrite (CVE-2019-16777)

Tenable has extracted the preceding description block directly from the MiracleLinux 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick     it into descending into unintended directories via symlink attacks. (CVE-2017-18869)

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:

  - A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick
    it into descending into unintended directories via symlink attacks. (CVE-2017-18869)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2625 advisory.

    Node.js is a software development platform for building fast and scalable network applications in the     JavaScript programming language.

    The following packages have been upgraded to a later upstream version: rh-nodejs8-nodejs (8.17.0).
    (BZ#1829414)

    Security Fix(es):

    * nodejs-brace-expansion: Regular expression denial of service (CVE-2017-18077)

    * nodejs-chownr: TOCTOU vulnerability in `chownr` function in chownr.js (CVE-2017-18869)

    * nodejs-sshpk: ReDoS when parsing crafted invalid public keys in lib/formats/ssh.js (CVE-2018-3737)

    * nodejs-deep-extend: Prototype pollution can allow attackers to modify object properties (CVE-2018-3750)

    * npm: Symlink reference outside of node_modules folder through the bin field upon installation     (CVE-2019-16775)

    * npm: Arbitrary file write via constructed entry in the package.json bin field (CVE-2019-16776)

    * npm: Global node_modules Binary Overwrite (CVE-2019-16777)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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
294570	MiracleLinux 7 : rh-nodejs8-nodejs-8.17.0-2.el7 (AXSA:2020-200:01)	Nessus	Miracle Linux Local Security Checks	critical
251489	Linux Distros Unpatched Vulnerability : CVE-2017-18869	Nessus	Misc.	low
413724	SCA: security update for chownr (GHSA-c6rq-rjc2-86v2)	Tenable Cloud Security	SCA Checks	low
413724	SCA: security update for chownr (GHSA-c6rq-rjc2-86v2)	Tenable Self-Hosted Container Security	SCA Checks	low
170350	RHEL 7 : rh-nodejs8-nodejs (RHSA-2020:2625)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2017-18869

low

Tenable Plugins

critical

low

low

low

critical