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USN-6140-1: Go vulnerabilities

6 June 2023

Several security issues were fixed in Go.

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Releases

Packages

  • golang-1.19 - Go programming language compiler - metapackage
  • golang-1.20 - Go programming language compiler - metapackage

Details

It was discovered that Go did not properly manage memory under certain
circumstances. An attacker could possibly use this issue to cause a panic
resulting in a denial of service. This issue only affected golang-1.19 on
Ubuntu 22.10. (CVE-2022-41724, CVE-2023-24534, CVE-2023-24537)

It was discovered that Go did not properly validate the amount of memory
and disk files ReadForm can consume. An attacker could possibly use this
issue to cause a panic resulting in a denial of service. This issue only
affected golang-1.19 on Ubuntu 22.10. (CVE-2022-41725)

It was discovered that Go did not properly validate backticks (`) as
Javascript string delimiters, and did not escape them as expected. An
attacker could possibly use this issue to inject arbitrary Javascript code
into the Go template. This issue only affected golang-1.19 on Ubuntu 22.10.
(CVE-2023-24538)

It was discovered that Go did not properly validate the angle brackets in
CSS values. An attacker could possibly use this issue to inject arbitrary
CSS code. (CVE-2023-24539)

It was discovered that Go did not properly validate whitespace characters
in Javascript, and did not escape them as expected. An attacker could
possibly use this issue to inject arbitrary Javascript code into the Go
template. (CVE-2023-24540)

It was discovered that Go did not properly validate HTML attributes with
empty input. An attacker could possibly use this issue to inject arbitrary
HTML tags into the Go template. (CVE-2023-29400)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 23.04
Ubuntu 22.10

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-6038-1: golang-1.18, golang-1.18-go, golang-1.18-src, golang-1.18-doc
  • USN-6038-2: golang-1.13, golang-1.13-go, golang-1.13-src, golang-1.16-go, golang-1.16-doc, golang-1.13-doc, golang-1.16, golang-1.16-src
  • USN-7109-1: golang-1.18, golang-1.18-go, golang-1.18-src, golang-1.18-doc
  • USN-7061-1: golang-1.17-src, golang-1.17-doc, golang-1.17-go, golang-1.17

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Further reading