An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.
{ "binaries": [ { "binary_name": "squid", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-cgi", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-cgi-dbgsym", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-common", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-dbg", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-dbgsym", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-purge", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid-purge-dbgsym", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squid3", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squidclient", "binary_version": "3.5.12-1ubuntu7.12" }, { "binary_name": "squidclient-dbgsym", "binary_version": "3.5.12-1ubuntu7.12" } ], "ubuntu_priority": "medium", "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "squid", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squid-cgi", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squid-common", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squid-dbg", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squid-purge", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squid3", "binary_version": "3.5.27-1ubuntu1.7" }, { "binary_name": "squidclient", "binary_version": "3.5.27-1ubuntu1.7" } ], "ubuntu_priority": "medium", "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "squid", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-cgi", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-cgi-dbgsym", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-common", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-dbgsym", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-purge", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid-purge-dbgsym", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squid3", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squidclient", "binary_version": "4.9-2ubuntu1" }, { "binary_name": "squidclient-dbgsym", "binary_version": "4.9-2ubuntu1" } ], "ubuntu_priority": "medium", "availability": "No subscription required" }