CVE-2014-9117
MEDIUM severity · CVSS 5 · Improper access control
5CVSS MEDIUM
Summary
MantisBT before 1.2.18 uses the public_key parameter value as the key to the CAPTCHA answer, which allows remote attackers to bypass the CAPTCHA protection mechanism by leveraging knowledge of a CAPTCHA answer for a public_key parameter value, as demonstrated by E4652 for the public_key value 0.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:L/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mantisbt.org/bugs/view.php?id=17811Advisory
- http://secunia.com/advisories/62101
- http://www.debian.org/security/2015/dsa-3120
- http://www.openwall.com/lists/oss-security/2014/11/26/19
- http://www.openwall.com/lists/oss-security/2014/11/27/8
- http://www.securityfocus.com/bid/71321
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99004
- https://github.com/mantisbt/mantisbt/commit/7bb78e45