Computer-engineerH1:208566ownCloud: Outdated Jenkins server hosted at OwnCloud.org
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
79.3%
###Summary:
The target OwnCloud’s server is running an outdated version of Jenkins server which is vulnerable to various attacks.
Server Location: https://ci.owncloud.org
Vulnerable Software: Jenkins ver. 2.27
###Proof of Exploitability
CVE-2016-3727
POC URL: https://ci.owncloud.org/computer/(master)/api/xml
>Details:
> The API URL /computer/(master)/api/xml allowed users with the extended read permission for the master node to see some global Jenkins configuration, including the configuration of the security realm.
> Source: https://jenkins.io/security/advisory/2016-05-11/
Additionally, the current software version is also vulnerable to RCE.
>CVE-2017-2608
>XStream remote code execution vulnerability
>Affected Versions: < 2.43
> Source: https://jenkins.io/security/advisory/2017-02-01/
###Recommended Fix
Update Jenkins server to latest version 2.47
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
79.3%