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GitHub Advisory DatabaseGHSA-XMVG-W4F9-99R7

HistoryDec 20, 2018 - 10:02 p.m.

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

2018-12-2022:02:51

CWE-611

GitHub Advisory Database

github.com

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

53.0%

JSON

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.

Affected configurations

Vulners

Node

apereobw-calendar-engineRange≤3.12.2

CPENameOperatorVersion
org.bedework.caleng:bw-calendar-enginele3.12.2

CPE	Name	Operator	Version
	org.bedework.caleng:bw-calendar-engine	le	3.12.2

References

0dd.zone/2018/10/28/bw-calendar-engine-XXE-MitM/

github.com/advisories/GHSA-xmvg-w4f9-99r7

github.com/Bedework/bw-calendar-engine/issues/3

nvd.nist.gov/vuln/detail/CVE-2018-1000836

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

53.0%

JSON

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