IBM WebSphere MQ 7.5/8.0/9.0 Message Malformed Header input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in IBM WebSphere MQ 7.5/8.0/9.0. This vulnerability affects unknown code of the component Message Handler. The manipulation as part of Malformed Header leads to input validation. This vulnerability is documented as CVE-2018-1503. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in IBM WebSphere MQ 7.5/8.0/9.0 (Application Server Software) and classified as problematic. This issue affects an unknown functionality of the component Message Handler. The manipulation as part of a Malformed Header 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 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.

The bug was discovered 07/20/2018. The weakness was released 07/23/2018 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2018-1503 since 12/12/2017. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/25/2023).

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 371030 (IBM MQ/WebSphere MQ Information Disclosure Vulnerability (swg22016346)).

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 databases at SecurityFocus (BID 104953†) and SecurityTracker (ID 1041387†). Entry connected to this vulnerability is available at VDB-120036. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2017 🔍
07/20/2018 +219 days 🔍
07/20/2018 +0 days 🔍
07/23/2018 +2 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
07/27/2018 +4 days 🔍
04/25/2023 +1733 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1503 (🔍)
GCVE (CVE): GCVE-0-2018-1503
GCVE (VulDB): GCVE-100-122081
X-Force: 141339
SecurityFocus: 104953 - Multiple IBM Products CVE-2018-1503 Denial of Service Vulnerability
SecurityTracker: 1041387

See also: 🔍

Entryinfo

Created: 07/23/2018 18:16
Updated: 04/25/2023 10:59
Changes: 07/23/2018 18:16 (65), 03/11/2020 11:06 (6), 04/25/2023 10:53 (3), 04/25/2023 10:59 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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