Auth bypass in ownCloud Server
CVE-2012-4392
index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- ownCloud Server — versions 4.0.7
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2012/08/11/1 (mailing-list)
- www.openwall.com/lists/oss-security/2012/09/02/2 (mailing-list)
- github.com/owncloud/core/commit/4fd069b47906ebcf83887970c732d464dbe7d37a (Exploit, Patch)