vulnwire
7.8high

CVE-2016-28541 exploit

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileg…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 61%
Public exploits
1
Exploit-DB

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

Exploit prediction (EPSS)

0.95% probability of exploitation in the next 30 days, higher than 61% of all scored CVEs.

Exploits and detections

  • EDB-41761 AUFS (Ubuntu 15.10) - 'allow_userns' Fuse/Xattr User Namespaces Privilege Escalation · local · 2016-02-19

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-269 Improper Privilege Management
Technology feeds
Linux kernel (RSS, critical only)

References

  • halfdog.net /Security/2016/AufsPrivilegeEscalationInUserNamespaces/ · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2016/02/24/9 · mailing-list, x_refsource_MLIST, x_transferred
  • sourceforge.net /p/aufs/mailman/message/34864744/ · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/96838 · vdb-entry, x_refsource_BID, x_transferred

Sources

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