The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

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

  - The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to     the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this     vulnerability could be triggered via the parse function. (CVE-2022-21222)

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

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6065-1 advisory.

    It was discovered that css-what 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-2021-33587, CVE-2022-21222)

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-3350 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-3350-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                    Bastien Roucaries     March 03, 2023                                https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : node-css-what     Version        : 2.1.0-1     CVE ID         : CVE-2022-21222 CVE-2021-33587     Debian Bug     : #1032188

    node-css-what was vulnerable to Regular Expression Denial of Service     (ReDoS) due to the usage of insecure regular expression in the     re_attr variable.
    The exploitation of this vulnerability could be triggered     via the parse function.

    For Debian 10 buster, this problem has been fixed in version     2.1.0-1+deb10u1.

    We recommend that you upgrade your node-css-what packages.

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

    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

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
252905	Linux Distros Unpatched Vulnerability : CVE-2022-21222	Nessus	Misc.	high
175560	Ubuntu 16.04 ESM / 18.04 LTS / 20.04 ESM : css-what vulnerabilities (USN-6065-1)	Nessus	Ubuntu Local Security Checks	high
172087	Debian dla-3350 : node-css-what - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2022-21222

high

Tenable Plugins

high

high

high