IBM WebSphere Portal 7.0/8.0/8.5/9.0 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.9$5k-$25k0.00

A vulnerability, which was classified as critical, was found in IBM WebSphere Portal 7.0/8.0/8.5/9.0 (Application Server Software). This affects an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM WebSphere Portal 7.0, 8.0, 8.5, and 9.0 may fail to set the correct user context in certain impersonation scenarios, which can allow a user to act with the identity of a different user. IBM X-Force ID: 144958.

The bug was discovered 09/25/2018. The weakness was presented 10/01/2018 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. This vulnerability is uniquely identified as CVE-2018-1672 since 12/12/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is needed for exploitation. 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 05/19/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 6 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 371225 (IBM WebSphere Portal Multiple Vulnerabilities (ibm10715923,ibm10716981,ibm10729323,ibm10729683,ibm10731155,swg22015586)).

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 105446†). See VDB-124542, VDB-124537, VDB-124541 and VDB-125267 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 6.3
NVD Vector: 🔍

CNA Base Score: 5.0
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

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 🔍
09/25/2018 +286 days 🔍
10/01/2018 +5 days 🔍
10/01/2018 +0 days 🔍
10/02/2018 +1 days 🔍
05/19/2023 +1690 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2018-1672 (🔍)
X-Force: 144958
SecurityFocus: 105446
SecurityTracker: 1041766

See also: 🔍

Entryinfo

Created: 10/02/2018 07:43 AM
Updated: 05/19/2023 04:38 PM
Changes: 10/02/2018 07:43 AM (62), 03/28/2020 03:27 PM (1), 05/19/2023 04:31 PM (4), 05/19/2023 04:38 PM (13)
Complete: 🔍
Cache ID: 18:F3C:40

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