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Red Hat: CVE-2022-39317: undefined behaviour in zgfx decoder (Multiple Advisories)

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Red Hat: CVE-2022-39317: undefined behaviour in zgfx decoder (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/16/2022
Created
05/15/2023
Added
05/15/2023
Modified
09/03/2024

Description

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.

Solution(s)

  • redhat-upgrade-freerdp
  • redhat-upgrade-freerdp-debuginfo
  • redhat-upgrade-freerdp-debugsource
  • redhat-upgrade-freerdp-devel
  • redhat-upgrade-freerdp-libs
  • redhat-upgrade-freerdp-libs-debuginfo
  • redhat-upgrade-libwinpr
  • redhat-upgrade-libwinpr-debuginfo
  • redhat-upgrade-libwinpr-devel

References

  • CVE-2022-39317
  • RHSA-2023:2326
  • RHSA-2023:2851

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