CVE Vulnerability

CVE-2018-1000836

bw-calendar-engine version <= bw-calendar-engine-3.12.0 contains a XML External Entity (XXE) vulnerability in IscheduleClient XML Parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via Man in the Middle or malicious server.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://github.com/Bedework/bw-calendar-engine/issues/3 Third Party Advisory
https://0dd.zone/2018/10/28/bw-calendar-engine-XXE-MitM/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:apereo:bw-calendar-engine:*:*:*:*:*:*:*:*
Information

Published : 2018-12-20 03:29

Updated : 2019-02-07 05:07

NVD link : CVE-2018-1000836

Mitre link : CVE-2018-1000836

Products Affected
No products.
CWE
CWE-611

Improper Restriction of XML External Entity Reference