Description
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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:P/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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
- https://www.mantisbt.org/bugs/view.php?id=17811Vendor Advisory
- 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
- https://www.mantisbt.org/bugs/view.php?id=17811Vendor Advisory
Timeline
- Published
- Dec 6, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified