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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhtdmctdzRmOS05OXI3

XML External Entity (XXE) vulnerability in bw-calendar-engine

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.

Permalink: https://github.com/advisories/GHSA-xmvg-w4f9-99r7
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhtdmctdzRmOS05OXI3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 5 years ago
Updated: over 1 year ago

CVSS Score: 9.0
CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Identifiers: GHSA-xmvg-w4f9-99r7, CVE-2018-1000836
References:

• https://nvd.nist.gov/vuln/detail/CVE-2018-1000836
• https://github.com/Bedework/bw-calendar-engine/issues/3
• https://0dd.zone/2018/10/28/bw-calendar-engine-XXE-MitM/
• https://github.com/advisories/GHSA-xmvg-w4f9-99r7

Repository: https://github.com/Bedework/bw-calendar-engine
Blast Radius: 1.0

Affected Packages