CVE-2016-2860 Information

Description

The newEntry function in ptserver/ptprocs.c in OpenAFS before 1.6.17 allows remote authenticated users from foreign Kerberos realms to bypass intended access restrictions and create arbitrary groups as administrators by leveraging mishandling of the creator ID.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

http://git.openafs.org/?p=openafs.git;a=commitdiff;h=396240cf070a806b91fea81131d034e1399af1e0 http://www.debian.org/security/2016/dsa-3569 http://www.openafs.org/pages/security/OPENAFS-SA-2016-001.txt https://lists.openafs.org/pipermail/openafs-announce/2016/000496.html https://www.openafs.org/dl/openafs/1.6.17/RELNOTES-1.6.17

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5