CVE-2018-1000836

EUVD-2018-0824
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9 CRITICAL
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 52%
Affected Products (NVD)
VendorProductVersion
apereobw-calendar-engine
𝑥
≤ 3.12.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://0dd.zone/2018/10/28/bw-calendar-engine-XXE-MitM/
https://github.com/Bedework/bw-calendar-engine/issues/3
https://0dd.zone/2018/10/28/bw-calendar-engine-XXE-MitM/
https://github.com/Bedework/bw-calendar-engine/issues/3