| Name | CVE-2015-5292 |
| Description | Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service (memory consumption) via a large number of logins that trigger parsing of PAC blobs during Kerberos authentication. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| sssd (PTS) | jessie, jessie (lts) | 1.11.7-3+deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.15.0-3+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 1.16.3-3.2+deb10u2 | fixed |
| bullseye | 2.4.1-2 | fixed |
| bookworm | 2.8.2-4 | fixed |
| sid | 2.9.5-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| sssd | source | squeeze | (not affected) | | | |
| sssd | source | wheezy | (not affected) | | | |
| sssd | source | (unstable) | 1.13.1-1 | | | |
Notes
[jessie] - sssd <no-dsa> (Minor issue; responder not built)
binary package has the sssd_pac_plugin.so but the responder
part is not build.
[wheezy] - sssd <not-affected> (vulnerable code not present)
[squeeze] - sssd <not-affected> (vulnerable code not present)
https://fedorahosted.org/sssd/ticket/2803
https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch