CVE-2023-26112

Publication date 3 April 2023

Last updated 26 September 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
configobj	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was deferred
	23.04 lunar	Ignored end of life, was deferred
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 5.0.6-5ubuntu0.1
	20.04 LTS focal	Fixed 5.0.6-4ubuntu0.1
	18.04 LTS bionic	Fixed 5.0.6-2ubuntu0.18.04.1~esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 5.0.6-2ubuntu0.16.04.1~esm1 Ubuntu Pro
	14.04 LTS trusty	Vulnerable

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Notes

mdeslaur

per advisory: "This is only exploitable in the case of a developer, putting the offending value in a server side configuration file"

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
configobj	Upstream: a82ea8f

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-7040-1
ConfigObj vulnerability
26 September 2024