GHSA-c33w-24p9-8m24: configobj ReDoS exploitable by developer using values in a server-side configuration file

Ubuntu Security Notice 7040-2 - USN-7040-1 fixed a vulnerability in ConfigObj. This update provides the corresponding update for Ubuntu 14.04 LTS. It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a regular expression denial of service.

Ubuntu Security Notice 7040-1 - It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a regular expression denial of service.

All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only exploitable in the case of a developer, putting the offending value in a server side configuration file.