CVE-2020-35579 — HIGH (7.5)

Vulnerability Description

tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the external request target may indirectly redirect back to this original /sub endpoint. Thus, a request loop and a denial of service may occur.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Subconverter Project	Subconverter	0.6.4

References

https://github.com/tindy2013/subconverter/issues/284ExploitThird Party Advisory
https://github.com/tindy2013/subconverter/issues/284ExploitThird Party Advisory

FAQ

What is CVE-2020-35579?

CVE-2020-35579 is a vulnerability with a CVSS score of 7.5 (HIGH). tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the e...

How severe is CVE-2020-35579?

CVE-2020-35579 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-35579?

Check the references section above for vendor advisories and patch information. Affected products include: Subconverter Project Subconverter.