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Linux Nested User Namespace idmap Limit Local Privilege Escalation Exploit
[ 0Day-ID-31692 ]
Full title
Linux Nested User Namespace idmap Limit Local Privilege Escalation Exploit
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Category
Platform
Verified
Price
free
Risk
[Security Risk High
]Rel. releases
Description
This Metasploit module exploits a vulnerability in Linux kernels 4.15.0 to 4.18.18, and 4.19.0 to 4.19.1, where broken uid/gid mappings between nested user namespaces and kernel uid/gid mappings allow elevation to root (CVE-2018-18955). The target system must have unprivileged user namespaces enabled and the newuidmap and newgidmap helpers installed (from uidmap package). This Metasploit module has been tested successfully on: Fedora Workstation 28 kernel 4.16.3-301.fc28.x86_64; Kubuntu 18.04 LTS kernel 4.15.0-20-generic (x86_64); Linux Mint 19 kernel 4.15.0-20-generic (x86_64); Ubuntu Linux 18.04.1 LTS kernel 4.15.0-20-generic (x86_64).
CVE
CVE-2018-18955
Other Information
Abuses
0
Comments
0
Views
6 737
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free
Open Exploit
You can open this source code for free
You can open this source code for free
Verified by 0day Admin
Verified by 0day Admin
This material is checked by Administration and absolutely workable.
This material is checked by Administration and absolutely workable.
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