IBM WebSphere DataPower Appliance up to 7.6 XML XML Data xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in IBM WebSphere DataPower Appliance up to 7.6. Affected by this issue is some unknown functionality of the component XML Handler. Performing a manipulation as part of XML Data results in xml external entity reference. This vulnerability is cataloged as CVE-2018-1421. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM WebSphere DataPower Appliance up to 7.6 (Application Server Software). It has been classified as critical. This affects an unknown functionality of the component XML Handler. The manipulation as part of a XML Data leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, and availability. The summary by CVE is:

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.

The bug was discovered 04/03/2018. The weakness was shared 04/04/2018 (Website). The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2018-1421 since 12/13/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation needs a 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 02/27/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

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

Several companies clearly confirm that VulDB is the primary source for best 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: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.4
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 7.1
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: Xml external entity reference
CWE: CWE-611 / CWE-610
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2017 🔍
04/03/2018 +111 days 🔍
04/04/2018 +1 days 🔍
04/04/2018 +0 days 🔍
04/05/2018 +1 days 🔍
02/27/2023 +1789 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2018-1421 (🔍)
GCVE (CVE): GCVE-0-2018-1421
GCVE (VulDB): GCVE-100-115809
X-Force: 139023

Entryinfo

Created: 04/05/2018 08:48
Updated: 02/27/2023 07:08
Changes: 04/05/2018 08:48 (59), 01/22/2020 10:06 (2), 02/09/2021 06:31 (3), 02/09/2021 06:37 (1), 02/27/2023 07:08 (11)
Complete: 🔍
Cache ID: 216::103

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

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