PT-2016-4867 · Linux+2 · Linux Kernel+2

Halfdog · Publicado 2016-02-22 · Atualizado 2022-04-18 · CVE-2016-1575

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5.3

Description The issue concerns the overlayfs implementation in the Linux kernel, which fails to properly maintain POSIX ACL xattr data. This allows local users to gain privileges by exploiting a group-writable setgid directory.

Recommendations For versions prior to 4.5.3, update to version 4.5.3 or later to resolve the issue.

Exploit

Correção

Improper Privilege Management

Enumeração de Fraquezas

CWE-269

Identificadores relacionados

ALT-PU-2016-1470

ALT-PU-2017-1330

CVE-2016-1575

USN-2907-1

USN-2907-2

USN-2908-1

USN-2908-2

USN-2908-3

USN-2909-1

USN-2909-2

USN-2910-1

USN-2910-2

Produtos afetados

Alt Linux

Linux Kernel

Ubuntu

Referências · 39

• 🔥 http://halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation · Exploit
• 🔥 https://exploit-db.com/exploits/41762 · Exploit
• https://ubuntu.com/security/CVE-2016-1575 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2016-1575 · Nota de Segurança
• https://osv.dev/vulnerability/USN-2909-2 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2909-2 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2013-4312 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2907-2 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2016-1575 · Nota de Segurança
• https://ubuntu.com/security/CVE-2015-8569 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2015-8543 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2016-1575 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2910-1 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2907-1 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2016-1575 · Aviso do Fabricante