Description
Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.
References
- 20010718 Squid httpd acceleration acl bug enables portscanning mailing-list
- squid-http-accelerator-portscanning(6862) vdb-entry
- RHSA-2001:097 vendor-advisory
- IMNX-2001-70-031-01 vendor-advisory
- MDKSA-2001:066 vendor-advisory
- CSSA-2001-029.0 vendor-advisory
- 20010719 TSLSA-2001-0013 - Squid mailing-list