In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem by using specially crafted "bin" keys. Existing files could be overwritten depending on the current user permission set.

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

  - In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on     the host filesystem by using specially crafted bin keys. Existing files could be overwritten depending     on the current user permission set. (CVE-2019-10773)

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:

  - In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on
    the host filesystem by using specially crafted "bin" keys. Existing files could be overwritten depending
    on the current user permission set. (CVE-2019-10773)

An update of the yarn package has been released.

- Update to 1.21.1

  - Provides /usr/bin/yarn

  - Resolves CVE-2019-10773

  - Rename nodejs-yarn binary package to yarnpkg (similar to     other distros)

  - Use nodejs macros consistently throughout spec

  - Make the tests fail the build if the tests fail

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- Update to 1.21.1

  - Resolves CVE-2019-10773

  - Rename nodejs-yarn binary package to yarnpkg (similar to     other distros)

  - Use nodejs macros consistently throughout spec

  - Make the tests fail the build if the tests fail

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Type	Severity
250939	Linux Distros Unpatched Vulnerability : CVE-2019-10773	Nessus	Misc.	Local	high
422572	SCA: security update for yarn (GHSA-5xf4-f2fq-f69j)	Tenable Cloud Security	SCA Checks	Local	high
422572	SCA: security update for yarn (GHSA-5xf4-f2fq-f69j)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
133810	Photon OS 3.0: Yarn PHSA-2020-3.0-0057	Nessus	PhotonOS Local Security Checks	Local	high
133576	Fedora 31 : nodejs-yarn (2020-766ce5adae)	Nessus	Fedora Local Security Checks	Local	high
133575	Fedora 30 : nodejs-yarn (2020-7525beefa1)	Nessus	Fedora Local Security Checks	Local	high
132990	Photon OS 2.0: Yarn PHSA-2020-2.0-0200	Nessus	PhotonOS Local Security Checks	Local	high
132986	Photon OS 1.0: Yarn PHSA-2020-1.0-0264	Nessus	PhotonOS Local Security Checks	Local	high

Detections

Analytics

CVE-2019-10773

high

Tenable Plugins

high

high

high

high

high

high

high

high