envvars (aka envvars-std) in the Apache HTTP Server before 2.4.2 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse DSO in the current working directory during execution of apachectl.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Http_server | Apache | 2.2.0 (including) | 2.2.23 (excluding) |
| Http_server | Apache | 2.4.1 (including) | 2.4.1 (including) |
| Red Hat JBoss Enterprise Application Platform 6.0 | RedHat | * | |
| Apache2 | Ubuntu | upstream | * |