glibc 2.1.9x and earlier does not properly clear the RESOLV_HOST_CONF, HOSTALIASES, or RES_OPTIONS environmental variables when executing setuid/setgid programs, which could allow local users to read arbitrary files.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Immunix | Immunix | 7.0_beta (including) | 7.0_beta (including) |
| Linux | Conectiva | 4.0 (including) | 4.0 (including) |
| Linux | Conectiva | 4.0es (including) | 4.0es (including) |
| Linux | Conectiva | 4.1 (including) | 4.1 (including) |
| Linux | Conectiva | 4.2 (including) | 4.2 (including) |
| Linux | Conectiva | 5.0 (including) | 5.0 (including) |
| Linux | Conectiva | 5.1 (including) | 5.1 (including) |
| Linux | Conectiva | 6.0 (including) | 6.0 (including) |
| Linux | Conectiva | ecommerce (including) | ecommerce (including) |
| Linux | Conectiva | graficas (including) | graficas (including) |
| Red Hat Linux 7.0 | RedHat | * |
References
- http://archives.neohapsis.com/archives/bugtraq/2001-01/0131.html
- http://archives.neohapsis.com/archives/bugtraq/2001-01/0186.html
- http://www.redhat.com/support/errata/RHSA-2001-001.html
- http://www.securityfocus.com/bid/2181
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5907
- http://archives.neohapsis.com/archives/bugtraq/2001-01/0131.html
- http://archives.neohapsis.com/archives/bugtraq/2001-01/0186.html
- http://www.redhat.com/support/errata/RHSA-2001-001.html
- http://www.securityfocus.com/bid/2181
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5907