CVE-2018-1000831

K9Mail version <= v5.600 contains a XML External Entity (XXE) vulnerability in WebDAV response parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via malicious WebDAV server or intercept the reponse of a valid WebDAV server.

CVSS v3 10.0 CRITICAL
CVSS v2.0 7.5 HIGH

10.0^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://0dd.zone/2018/10/28/k9mail-XXE-MitM/	Third Party Advisory
https://github.com/k9mail/k-9/issues/3681	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:k9mail:k-9_mail:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-12-20 15:29

Updated : 2019-01-08 19:06

NVD link : CVE-2018-1000831

Mitre link : CVE-2018-1000831

CVE.ORG link : CVE-2018-1000831

JSON object : View

Products Affected

k9mail

k-9_mail

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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