CVE-2018-1000831

CRITICAL

K-9 Mail <= 5.600 - XML External Entity Injection in WebDAV Response Parser

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/k9mail/k-9/issues/3681
Third Party Advisory x_refsource_misc
https://0dd.zone/2018/10/28/k9mail-XXE-MitM/

Scores

CVSS v3 10.0
EPSS 0.0191
EPSS Percentile 77.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-611
Status published
Products (1)
k9mail/k-9_mail < 5.600
Published Dec 20, 2018
Tracked Since Feb 18, 2026