Description
Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow.
References (3)
Core 3
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://issues.shibboleth.net/jira/browse/SSPCPP-874
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1157471
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00017.html
Scores
CVSS v3
7.8
EPSS
0.0048
EPSS Percentile
37.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-59
Status
published
Products (1)
shibboleth/service_provider
3.0.0 - 3.1.0
Published
Nov 21, 2019
Tracked Since
Feb 18, 2026