Arbitrary Command Execution via YAML Parsing in Confire 0.2.0

CVE-2017-16763 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

An exploitable vulnerability exists in the YAML parsing functionality in config.py in Confire 0.2.0. Due to the user-specific configuration being loaded from "~/.confire.yaml" using the yaml.load function, a YAML parser can execute arbitrary Python commands resulting in command execution. An attacker can insert Python into loaded YAML to trigger this vulnerability.

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