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Red Hat: CVE-2021-33195: lookup functions may return invalid host names (Multiple Advisories)

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Red Hat: CVE-2021-33195: lookup functions may return invalid host names (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
08/02/2021
Created
11/11/2021
Added
11/10/2021
Modified
12/15/2023

Description

Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

Solution(s)

  • redhat-upgrade-buildah
  • redhat-upgrade-buildah-debuginfo
  • redhat-upgrade-buildah-debugsource
  • redhat-upgrade-buildah-tests
  • redhat-upgrade-buildah-tests-debuginfo
  • redhat-upgrade-delve
  • redhat-upgrade-delve-debuginfo
  • redhat-upgrade-delve-debugsource
  • redhat-upgrade-go-toolset
  • redhat-upgrade-golang
  • redhat-upgrade-golang-bin
  • redhat-upgrade-golang-docs
  • redhat-upgrade-golang-misc
  • redhat-upgrade-golang-race
  • redhat-upgrade-golang-src
  • redhat-upgrade-golang-tests
  • redhat-upgrade-grafana
  • redhat-upgrade-grafana-debuginfo

References

  • CVE-2021-33195
  • RHSA-2021:4156
  • RHSA-2021:4226
  • RHSA-2022:8008

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