1. Ubuntu Security Notices
  2. USN-6287-1

USN-6287-1: Go yaml vulnerabilities

Publication date

14 August 2023

Overview

Several security issues were patched in the Go yaml package.

Releases

Packages

Details

Simon Ferquel discovered that the Go yaml package incorrectly handled
certain YAML documents. 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 the system to crash, resulting in
a denial of service. (CVE-2021-4235)

It was discovered that the Go yaml package incorrectly handled
certain large YAML documents. 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 the system to crash, resulting in
a denial of service. (CVE-2022-3064)

Simon Ferquel discovered that the Go yaml package incorrectly handled
certain YAML documents. 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 the system to crash, resulting in
a denial of service. (CVE-2021-4235)

It was discovered that the Go yaml package incorrectly handled
certain large YAML documents. 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 the system to crash, resulting in
a denial of service. (CVE-2022-3064)

Update instructions

After a standard system update anything that depends on golang-yaml.v2 needs to be rebuilt to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal golang-gopkg-yaml.v2-dev –  2.2.2-1ubuntu0.1
golang-yaml.v2-dev –  2.2.2-1ubuntu0.1
18.04 bionic golang-gopkg-yaml.v2-dev –  0.0+git20170407.0.cd8b52f-1ubuntu2+esm1  
golang-yaml.v2-dev –  0.0+git20170407.0.cd8b52f-1ubuntu2+esm1  
16.04 xenial golang-yaml.v2-dev –  0.0+git20160301.0.a83829b-1ubuntu0.1~esm1  

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References

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