Advisories

AVideo LoginControl PGP Authentication Bypass via verifyChallenge

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severity
high
date
Affecting
  • AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1

CWE
  • CWE-287 Improper Authentication
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
santhreal
Description
AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability in LoginControl::verifyChallenge() that uses loose comparison (==) instead of strict comparison (===) against unset session values. Attackers with only a password can submit an empty request to verifyChallenge.json.php to bypass PGP two-factor authentication and gain full authenticated access.

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