CVE-2022-39317

Out of bounds read in zgfx decoder in FreeRDP

CVSS 4.6 MEDIUMEPSS 0.6%CWE-125

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 4.6EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

16 nov 2022Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

Produtos afetados

FreeRDP · FreeRDP

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Referências

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/https://security.gentoo.org/glsa/202401-16