CVE-2020-36830

Public Exploit
nescalante urlregex Backtracking index.js redos

Description

A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory vuldb.com
Affected: nescalante urlregex
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.276269 third party advisory vdb entry
https://vuldb.com/?ctiid.276269 signature permissions required
https://github.com/nescalante/urlregex/pull/8 issue tracking exploit
https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 patch
https://github.com/nescalante/urlregex/releases/tag/v0.5.1 patch release notes

Frequently Asked Questions

What is the severity of CVE-2020-36830?
CVE-2020-36830 has been scored as a medium severity vulnerability.
How to fix CVE-2020-36830?
To fix CVE-2020-36830, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36830 being actively exploited in the wild?
It is possible that CVE-2020-36830 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-36830?
CVE-2020-36830 affects nescalante urlregex.
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