IBM WebSphere up to 9.1.1 Multiplexed Channel access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in IBM WebSphere up to 9.1.1. The impacted element is an unknown function of the component Multiplexed Channel Handler. The manipulation results in access control. This vulnerability is identified as CVE-2018-1974. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM WebSphere up to 9.1.1 (Application Server Software). Affected is an unknown code block of the component Multiplexed Channel Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

IBM WebSphere 8.0.0.0 through 9.1.1 could allow an authenticated attacker to escalate their privileges when using multiplexed channels. IBM X-Force ID: 153915.

The bug was discovered 03/08/2019. The weakness was released 03/11/2019 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability is traded as CVE-2018-1974 since 12/13/2017. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/31/2023). The MITRE ATT&CK project declares the attack technique as T1068.

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 371688 (IBM WebSphere MQ Privilege Escalation Vulnerability (ibm10792043)).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (IBM Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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

12/13/2017 🔍
03/08/2019 +450 days 🔍
03/11/2019 +3 days 🔍
03/12/2019 +1 days 🔍
07/31/2023 +1602 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1974 (🔍)
GCVE (CVE): GCVE-0-2018-1974
GCVE (VulDB): GCVE-100-131556
X-Force: 153915

Entryinfo

Created: 03/12/2019 07:07
Updated: 07/31/2023 11:14
Changes: 03/12/2019 07:07 (59), 05/15/2020 12:18 (1), 07/31/2023 11:07 (3), 07/31/2023 11:14 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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