Vulnerability CVE-2018-1421

Vulnerability Name:

CVE-2018-1421 (CCN-139023)

Assigned:

2017-12-13

Published:

2018-04-03

Updated:

2019-10-09

Summary:

IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 139023.

CVSS v3 Severity:

7.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C)

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

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

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

CVSS v2 Severity:

5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:P)

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

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

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

Vulnerability Type:

CWE-611

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2018-1421

Source: CCN
Type: IBM Security Bulletin 2015055 (DataPower Gateways)
DataPower GUI vulnerable to XML External Entity Injection attack (CVE-2018-1421)

Source: CONFIRM
Type: Patch, Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22015055

Source: MISC
Type: VDB Entry, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/139023

Source: XF
Type: UNKNOWN
ibm-websphere-cve20181421-info-disc(139023)

Vulnerable Configuration:

Configuration 1:

cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.1.0.0 and <= 7.1.0.21)

OR cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.2.0.0 and <= 7.2.0.18)

OR cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.5.0.0 and <= 7.5.0.13)

OR cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.5.1.0 and <= 7.5.1.12)

OR cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.5.2.0 and <= 7.5.2.12)

OR cpe:/a:ibm:datapower_gateway:*:*:*:*:*:*:*:* (Version >= 7.6.0.0 and <= 7.6.0.5)

Denotes that component is vulnerable

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