Debian dla-3176 : clickhouse-client - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3176 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3176-1 [email protected]...

CVE-2021-43304: Heap-based Buffer Overflow

Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy op, ip, copyend, don’t exceed the destination buffer’s limits...

CVE-2021-42388: Out-of-bounds Read

Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl loop, a 16-bit unsigned user-supplied value 'offset' is read from the compressed data. The offset is later used in the length of a copy operation, without checking the...

CVE-2021-42387: Out-of-bounds Read

Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl loop, a 16-bit unsigned user-supplied value 'offset' is read from the compressed data. The offset is later used in the length of a copy operation, without checking the...

CVE-2021-43305: Heap-based Buffer Overflow

Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy op, ip, copyend, don’t exceed the destination buffer’s limits. This iss...