| 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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4905-1 |
| Debian Bugs | 987608 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| shibboleth-sp (PTS) | bullseye | 3.2.2+dfsg1-1 | fixed |
| bullseye (security) | 3.2.2+dfsg1-1+deb11u1 | fixed | |
| bookworm | 3.4.1+dfsg-2 | fixed | |
| bookworm (security) | 3.4.1+dfsg-2+deb12u1 | fixed | |
| trixie | 3.5.0+dfsg-2 | fixed | |
| trixie (security) | 3.5.0+dfsg-2+deb13u1 | fixed | |
| forky, sid | 3.5.1+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| shibboleth-sp | source | buster | 3.0.4+dfsg1-1+deb10u2 | DSA-4905-1 | ||
| shibboleth-sp | source | (unstable) | 3.2.2+dfsg1-1 | 987608 |
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