Auth bypass in Google Chrome

CVE-2013-6634

The OneClickSigninHelper::ShowInfoBarIfPossible function in browser/ui/sync/one_click_signin_helper.cc in Google Chrome before 31.0.1650.63 uses an incorrect URL during realm validation, which allows remote attackers to conduct session fixation attacks and hijack web sessions by triggering improper sync after a 302 (aka Found) HTTP status code.

Vulnerability class: Broken Authentication

EPSS: 0.014 (70.5th percentile) — read the EPSS interpretation.

Affected products

  • Google Chrome — versions 31.0.1650.0, 31.0.1650.2, 31.0.1650.3
  • N/a — versions n/a

Weakness classification (CWE)

References