CVE-2022-39317 (GCVE-0-2022-39317)

Vulnerability from cvelistv5 – Published: 2022-11-16 00:00 – Updated: 2025-04-23 16:37
VLAI
Title
Out of bounds read in zgfx decoder in FreeRDP
Summary
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.
Severity
4.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: < 2.9.0
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    "redhat_vex": {
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      "cve": "CVE-2022-39317",
      "id": "CVE-2022-39317",
      "initial_release_date": "2022-11-16T00:00:00+00:00",
      "product_status:fixed": "180",
      "product_status:known_affected": "12",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "freerdp: undefined behaviour in zgfx decoder",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-39317.json",
      "version": "3"
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