Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations.
| Software | From | Fixed in |
|---|---|---|
| eyrie / pam-krb5 | 3.1 | 3.1.x |
| eyrie / pam-krb5 | 3.4 | 3.4.x |
| eyrie / pam-krb5 | 3.5 | 3.5.x |
| eyrie / pam-krb5 | 3.6 | 3.6.x |
| eyrie / pam-krb5 | 3.7 | 3.7.x |
| eyrie / pam-krb5 | 3.10 | 3.10.x |
| eyrie / pam-krb5 | 3.11 | 3.11.x |
| eyrie / pam-krb5 | - | 3.12.x |
| eyrie / pam-krb5 | 3.0 | 3.0.x |
| eyrie / pam-krb5 | 3.8 | 3.8.x |
| eyrie / pam-krb5 | 3.9 | 3.9.x |
| eyrie / pam-krb5 | 3.2 | 3.2.x |
| eyrie / pam-krb5 | 3.3 | 3.3.x |