Vulnerability CVE-2018-1000838

Vulnerability Name:

CVE-2018-1000838 (CCN-154646)

Assigned:

2018-10-25

Published:

2018-10-25

Updated:

2019-01-08

Summary:

autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via Specially crafted CaseMetadata.

CVSS v3 Severity:

10.0 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.8 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-611

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2018-1000838

Source: MISC
Type: Third Party Advisory
https://0dd.zone/2018/10/28/autopsy-XXE/

Source: XF
Type: UNKNOWN
autopsy-cve20181000838-info-disc(154646)

Source: CCN
Type: autopsy GIT Repository
XXE in CaseMetadata #4236

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://github.com/sleuthkit/autopsy/issues/4236

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-1000838

Vulnerable Configuration:

Configuration 1:

cpe:/a:sleuthkit:autopsy:*:*:*:*:*:*:*:* (Version <= 4.9.0)

Configuration CCN 1:

cpe:/a:sleuthkit:autopsy:4.9.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:20181000838000	V	CVE-2018-1000838 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-20
oval:com.ubuntu.cosmic:def:201810008380000000	V	CVE-2018-1000838 on Ubuntu 18.10 (cosmic) - medium.	2018-12-20
oval:com.ubuntu.cosmic:def:20181000838000	V	CVE-2018-1000838 on Ubuntu 18.10 (cosmic) - medium.	2018-12-20
oval:com.ubuntu.bionic:def:201810008380000000	V	CVE-2018-1000838 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-20
oval:com.ubuntu.trusty:def:20181000838000	V	CVE-2018-1000838 on Ubuntu 14.04 LTS (trusty) - medium.	2018-12-20
oval:com.ubuntu.xenial:def:201810008380000000	V	CVE-2018-1000838 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-20
oval:com.ubuntu.xenial:def:20181000838000	V	CVE-2018-1000838 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-20

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