| Package | Affected versions | Patched versions |
|---|---|---|
| squid | = 2.0.patch1= 2.0.patch2= 2.0.pre1= 2.0.release= 2.1.patch1= 2.1.patch2= 2.1.pre1= 2.1.pre3= 2.1.pre4= 2.1.release= 2.2.devel3= 2.2.devel4= 2.2.pre1= 2.2.pre2= 2.2.stable1= 2.2.stable2= 2.2.stable3= 2.2.stable4= 2.2.stable5= 2.3.devel2= 2.3.devel3= 2.3.stable1= 2.3.stable2= 2.3.stable3= 2.3.stable4= 2.3.stable5= 2.4.stable1= 2.4.stable2= 2.4.stable3= 2.4.stable4= 2.4.stable6= 2.4.stable7= 2.5.stable1= 2.5.stable2= 2.5.stable3= 2.5.stable4= 2.5.stable5= 2.5.stable6 |
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
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