Summary
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.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | configobj | 5.0.6-4ubuntu0.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | configobj | 5.0.6-5ubuntu0.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | configobj | 5.0.6-2ubuntu0.16.04.1~esm1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | configobj | 5.0.6-2ubuntu0.18.04.1~esm1 |
Vulnerabilities 1
-
Low 3.7
configobj ReDoS exploitable by developer using values in a server-side configuration file
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 co…
References
-
report
https://ubuntu.com/security/CVE-2023-26112