CVE-2018-1000831 — CRITICAL (10.0)

Q: How severe is CVE-2018-1000831?

CVE-2018-1000831 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2018-1000831?

Check the references section above for vendor advisories and patch information. Affected products include: K9Mail K-9 Mail.

Vulnerability 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.

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
K9Mail	K-9 Mail	<= 5.600

Related Weaknesses (CWE)

CWE-611

References

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

FAQ

What is CVE-2018-1000831?

CVE-2018-1000831 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 a...

How severe is CVE-2018-1000831?

CVE-2018-1000831 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-1000831?

Check the references section above for vendor advisories and patch information. Affected products include: K9Mail K-9 Mail.