CVE-2019-19191 json
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 us…
published 2019-11-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8823
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- shibboleth service_provider 3.1.0
- shibboleth-sp Debian 14, Debian 13, Debian 12 3.1.0+dfsg1-2
debian advisories DEBIAN-CVE-2019-19191
- shibboleth-sp SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 2.5.5-6.6.1
- shibboleth-sp SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15 2.6.1-3.3.1
suse advisories SUSE-SU-2020:0115-1SUSE-SU-2019:3386-1
- sha1collisiondetection openSUSE Tumbleweed 3.2.3-1.2
- shibboleth-sp openSUSE Leap 15.1 2.6.1-lp151.3.3.1
opensuse advisories openSUSE-SU-2024:11381-1openSUSE-SU-2020:0020-1
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1157471 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
bugzilla.suse.com
/show_bug.cgi?id=1157471
exploit, issue-tracking, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-01/msg00017.html
vendor-advisory
-
issues.shibboleth.net
/jira/browse/SSPCPP-874
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2019-19191
- NVD CVE-2019-19191
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.