e-Contract dssp up to 1.3.1 SignResponseVerifier.java checkSignResponse xml external entity reference

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.04

A vulnerability classified as problematic was found in e-Contract dssp up to 1.3.1. Affected by this vulnerability is the function checkSignResponse of the file dssp-client/src/main/java/be/e_contract/dssp/client/SignResponseVerifier.java. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The software 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, integrity, and availability.

The weakness was shared 01/06/2023 as ec4238349691ec66dd30b416ec6eaab02d722302. The advisory is shared at github.com. This vulnerability is known as CVE-2016-15011. Technical details are known, but no exploit is available.

Upgrading to version 1.3.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch ec4238349691ec66dd30b416ec6eaab02d722302 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

5342: fix XML external entity injection

Productinfo

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulDB): 🔒

CVSSv2info

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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
ATT&CK: Unknown

Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: dssp 1.3.2
Patch: ec4238349691ec66dd30b416ec6eaab02d722302

Timelineinfo

01/06/2023 Advisory disclosed
01/06/2023 +0 days CVE reserved
01/06/2023 +0 days VulDB entry created
01/29/2023 +23 days VulDB last update

Sourcesinfo

Advisory: ec4238349691ec66dd30b416ec6eaab02d722302
Status: Confirmed

CVE: CVE-2016-15011 (🔒)

Entryinfo

Created: 01/06/2023 10:51 AM
Updated: 01/29/2023 09:57 AM
Changes: 01/06/2023 10:51 AM (45), 01/29/2023 09:52 AM (2), 01/29/2023 09:57 AM (28)
Complete: 🔍

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