The runtime linker in IBM AIX 6.1 and 7.1 and VIOS 2.2.x allows local users to create a mode-666 root-owned file, and consequently gain privileges, by setting crafted MALLOCOPTIONS and MALLOCBUCKETS environment-variable values and then executing a setuid program.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vios | Ibm | 2.2.0.12 | 2.2.0.12 |
| Vios | Ibm | 2.2.0.13 | 2.2.0.13 |
| Vios | Ibm | 2.2.1.9 | 2.2.1.9 |
| Vios | Ibm | 2.2.2.0 | 2.2.2.0 |
| Vios | Ibm | 2.2.1.3 | 2.2.1.3 |
| Vios | Ibm | 2.2.1.4 | 2.2.1.4 |
| Vios | Ibm | 2.2.3.2 | 2.2.3.2 |
| Vios | Ibm | 2.2.3.3 | 2.2.3.3 |
| Vios | Ibm | 2.2.1.0 | 2.2.1.0 |
| Vios | Ibm | 2.2.1.1 | 2.2.1.1 |
| Vios | Ibm | 2.2.2.4 | 2.2.2.4 |
| Vios | Ibm | 2.2.2.5 | 2.2.2.5 |
| Vios | Ibm | 2.2.3.0 | 2.2.3.0 |
| Vios | Ibm | 2.2.0.10 | 2.2.0.10 |
| Vios | Ibm | 2.2.0.11 | 2.2.0.11 |
| Vios | Ibm | 2.2.1.4 | 2.2.1.4 |
| Vios | Ibm | 2.2.1.8 | 2.2.1.8 |
| Aix | Ibm | 7.1 | 7.1 |
| Aix | Ibm | 6.1 | 6.1 |