squid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass username-based Access Control Lists (ACLs) via a username with a space at the beginning or end, which is ignored by the LDAP server.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Squid | Squid | 2.0.patch1 (including) | 2.0.patch1 (including) |
| Squid | Squid | 2.0.patch2 (including) | 2.0.patch2 (including) |
| Squid | Squid | 2.0.pre1 (including) | 2.0.pre1 (including) |
| Squid | Squid | 2.0.release (including) | 2.0.release (including) |
| Squid | Squid | 2.1.patch1 (including) | 2.1.patch1 (including) |
| Squid | Squid | 2.1.patch2 (including) | 2.1.patch2 (including) |
| Squid | Squid | 2.1.pre1 (including) | 2.1.pre1 (including) |
| Squid | Squid | 2.1.pre3 (including) | 2.1.pre3 (including) |
| Squid | Squid | 2.1.pre4 (including) | 2.1.pre4 (including) |
| Squid | Squid | 2.1.release (including) | 2.1.release (including) |
| Squid | Squid | 2.2.devel3 (including) | 2.2.devel3 (including) |
| Squid | Squid | 2.2.devel4 (including) | 2.2.devel4 (including) |
| Squid | Squid | 2.2.pre1 (including) | 2.2.pre1 (including) |
| Squid | Squid | 2.2.pre2 (including) | 2.2.pre2 (including) |
| Squid | Squid | 2.2.stable1 (including) | 2.2.stable1 (including) |
| Squid | Squid | 2.2.stable2 (including) | 2.2.stable2 (including) |
| Squid | Squid | 2.2.stable3 (including) | 2.2.stable3 (including) |
| Squid | Squid | 2.2.stable4 (including) | 2.2.stable4 (including) |
| Squid | Squid | 2.2.stable5 (including) | 2.2.stable5 (including) |
| Squid | Squid | 2.3.devel2 (including) | 2.3.devel2 (including) |
| Squid | Squid | 2.3.devel3 (including) | 2.3.devel3 (including) |
| Squid | Squid | 2.3.stable1 (including) | 2.3.stable1 (including) |
| Squid | Squid | 2.3.stable2 (including) | 2.3.stable2 (including) |
| Squid | Squid | 2.3.stable3 (including) | 2.3.stable3 (including) |
| Squid | Squid | 2.3.stable4 (including) | 2.3.stable4 (including) |
| Squid | Squid | 2.3.stable5 (including) | 2.3.stable5 (including) |
| Squid | Squid | 2.4.stable1 (including) | 2.4.stable1 (including) |
| Squid | Squid | 2.4.stable2 (including) | 2.4.stable2 (including) |
| Squid | Squid | 2.4.stable3 (including) | 2.4.stable3 (including) |
| Squid | Squid | 2.4.stable4 (including) | 2.4.stable4 (including) |
| Squid | Squid | 2.4.stable6 (including) | 2.4.stable6 (including) |
| Squid | Squid | 2.4.stable7 (including) | 2.4.stable7 (including) |
| Squid | Squid | 2.5.stable1 (including) | 2.5.stable1 (including) |
| Squid | Squid | 2.5.stable2 (including) | 2.5.stable2 (including) |
| Squid | Squid | 2.5.stable3 (including) | 2.5.stable3 (including) |
| Squid | Squid | 2.5.stable4 (including) | 2.5.stable4 (including) |
| Squid | Squid | 2.5.stable5 (including) | 2.5.stable5 (including) |
| Squid | Squid | 2.5.stable6 (including) | 2.5.stable6 (including) |
| Red Hat Enterprise Linux 3 | RedHat | squid-7:2.5.STABLE3-6.3E.7 | * |
| Red Hat Enterprise Linux 4 | RedHat | squid-7:2.5.STABLE6-3.4E.3 | * |
| Squid | Ubuntu | dapper | * |
| Squid | Ubuntu | devel | * |
| Squid | Ubuntu | edgy | * |
| Squid | Ubuntu | feisty | * |