IBM WebSphere MQ 8.0/9.0 PAM Module input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$5k-$25k0.00

A vulnerability was found in IBM WebSphere MQ 8.0/9.0 (Application Server Software). It has been rated as problematic. This issue affects an unknown part of the component PAM Module Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

IBM WebSphere MQ 8.0 and 9.0, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ PAM code which could result in a denial of service. IBM X-Force ID: 138949.

The bug was discovered 06/12/2018. The weakness was released 06/15/2018 (Website). It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2018-1419 since 12/13/2017. The attack may be initiated remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/27/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370926 (IBM MQ pubsub Denial of Service Vulnerability (swg22013023)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104488†). Entry connected to this vulnerability is available at VDB-116969.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 3.7
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2017 🔍
06/12/2018 +181 days 🔍
06/12/2018 +0 days 🔍
06/15/2018 +2 days 🔍
06/15/2018 +0 days 🔍
06/15/2018 +0 days 🔍
03/27/2023 +1746 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1419 (🔍)
X-Force: 138949
SecurityFocus: 104488 - IBM WebSphere MQ CVE-2018-1419 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/15/2018 23:01
Updated: 03/27/2023 15:02
Changes: 06/15/2018 23:01 (62), 02/19/2020 19:04 (4), 03/27/2023 15:00 (3), 03/27/2023 15:02 (13)
Complete: 🔍
Cache ID: 3:220:103

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