Server-Side Request Forgery (SSRF) in Mattermost Notification plugin for Jenkins
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-1003026 |
| CWE-ID | CWE-918 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Mattermost Notification Web applications / Modules and components for CMS |
| Vendor | Jenkins |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Server-Side Request Forgery (SSRF)
EUVDB-ID: #VU22261
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1003026
CWE-ID:
CWE-918 - Server-Side Request Forgery (SSRF)
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote user to perform SSRF attacks.
The vulnerability exists due to missing permission check in a form validation method. A remote authenticated user with Overall/Read permission can send a specially crafted HTTP request and connect Jenkins to an attacker-specified Mattermost server and room and send a message.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMattermost Notification: 1.0 - 2.6.2
External linkshttp://jenkins.io/security/advisory/2019-02-19/#SECURITY-985
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
