| Name | CVE-2021-31826 |
| Description | Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4905-1 |
| Debian Bugs | 987608 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| shibboleth-sp (PTS) | buster, buster (security) | 3.0.4+dfsg1-1+deb10u2 | fixed |
| bullseye | 3.2.2+dfsg1-1 | fixed |
| bookworm, trixie | 3.4.1+dfsg-2 | fixed |
| sid | 3.4.1+dfsg-2.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://shibboleth.net/community/advisories/secadv_20210426.txt
https://issues.shibboleth.net/jira/browse/SSPCPP-927
https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec