IBM InfoSphere Information Server 9.1/11.3/11.5/11.7 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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7.2$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic was found in IBM InfoSphere Information Server 9.1/11.3/11.5/11.7. Affected by this vulnerability is an unknown functionality of the component XML Data Handler. Executing a manipulation can lead to xml external entity reference. This vulnerability is registered as CVE-2018-1727. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in IBM InfoSphere Information Server 9.1/11.3/11.5/11.7 (Reporting Software) and classified as problematic. This vulnerability affects an unknown function of the component XML Data Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

IBM InfoSphere Information Server 9.1, 11.3, 11.5, and 11.7 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: 147630.

The bug was discovered 10/08/2018. The weakness was published 02/15/2019 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability was named CVE-2018-1727 since 12/13/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 07/10/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 130 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.

Similar entries are available at VDB-130901 and VDB-130899. 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: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
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 🔍
10/08/2018 +299 days 🔍
02/15/2019 +130 days 🔍
02/16/2019 +1 days 🔍
07/10/2023 +1605 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2018-1727 (🔍)
GCVE (CVE): GCVE-0-2018-1727
GCVE (VulDB): GCVE-100-130900
X-Force: 147630

See also: 🔍

Entryinfo

Created: 02/16/2019 14:20
Updated: 07/10/2023 14:05
Changes: 02/16/2019 14:20 (59), 05/10/2020 16:56 (1), 07/10/2023 14:00 (3), 07/10/2023 14:05 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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