CVE-2013-6634

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-07 · updated 2026-06-17
Weakness: CWE-287

Description

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.

Affected products

Google Chrome: through 31.0.1650.62; 31.0.1650.0, 31.0.1650.2, 31.0.1650.3, 31.0.1650.4, 31.0.1650.5, 31.0.1650.6 (+51)

References

http://googlechromereleases.blogspot.com/2013/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00096.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00042.html
http://secunia.com/advisories/56217
http://www.debian.org/security/2013/dsa-2811
http://www.securitytracker.com/id/1029442
https://code.google.com/p/chromium/issues/detail?id=307159
https://src.chromium.org/viewvc/chrome?revision=236563&view=revision
http://googlechromereleases.blogspot.com/2013/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00096.html

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