CVE-2021-44730: falha de alta gravidade em Canonical Ltd. snapd
snapd could be made to escalate privileges and run programs as administrator
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.8epss 0.4%
snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Produtos afetados
Canonical Ltd. · snapdCVEs relacionadas — Canonical Ltd. snapd
No mesmo produto, das mais perigosas para as menos.
CVE-2023-1523CRITICALCVE-2023-1523EPSS 1.4%CVE-2021-44731HIGHsnapd could be made to escalate privileges and run programs as administratorEPSS 1.0%CVE-2024-5138HIGHCVE-2024-5138EPSS 0.8%CVE-2021-4120HIGHsnapd could be made to bypass intended access restrictions through snap content interfaces and layout pathsEPSS 0.4%CVE-2022-3328HIGHCVE-2022-3328EPSS 0.4%CVE-2021-3155LOWsnapd created ~/snap with too-wide permissionsEPSS 0.3%
Referências
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/https://ubuntu.com/security/notices/USN-5292-1https://www.debian.org/security/2022/dsa-5080http://www.openwall.com/lists/oss-security/2022/02/18/2http://www.openwall.com/lists/oss-security/2022/02/23/1