Multiple vulnerabilities in Jenkins Google Compute Engine Plugin
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-16546 CVE-2019-16548 CVE-2019-16547 |
| CWE-ID | CWE-300 CWE-352 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Google Compute Engine Web applications / Modules and components for CMS |
| Vendor | Jenkins |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Man-in-the-Middle (MitM) attack
EUVDB-ID: #VU22922
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16546
CWE-ID:
CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to the affected plugin does not use SSH host key verification when connecting to VMs launched by the plugin. A remote attacker can perform a man-in-the-middle attack to intercept these connections to attacker-specified build agents without warning.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGoogle Compute Engine: 1.0 - 4.1.1
External linkshttp://jenkins.io/security/advisory/2019-11-21/#SECURITY-1584
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Cross-site request forgery
EUVDB-ID: #VU22924
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16548
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to the affected plugin does not require POST requests on an API endpoint. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as provision new agents.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGoogle Compute Engine: 1.0 - 4.1.1
External linkshttp://jenkins.io/security/advisory/2019-11-21/#SECURITY-1586
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU22923
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16547
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected plugin does not verify permissions on multiple auto-complete API endpoints. A remote authenticated attacker with Overall/Read permissions can view various metadata about the running cloud environment.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGoogle Compute Engine: 1.0 - 4.1.1
External linkshttp://jenkins.io/security/advisory/2019-11-21/#SECURITY-1585
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.
