Netlock Mokka up to 2.7.8 XML Signature e-akta Signed Document xml injection

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Netlock Mokka up to 2.7.8. Affected is an unknown function of the component XML Signature Handler. Executing a manipulation as part of e-akta Signed Document can lead to xml injection. This vulnerability is handled as CVE-2015-3932. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Netlock Mokka up to 2.7.8. This vulnerability affects an unknown function of the component XML Signature Handler. The manipulation as part of a e-akta Signed Document leads to a xml injection vulnerability. The CWE definition for the vulnerability is CWE-91. The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Netlock Mokka before 2.7.8.1204 allows remote attackers to perform XML signature wrapping attacks via an e-akta signed document with a ds:Object node with a crafted payload prepended to a valid ds:Object.

The bug was discovered 06/26/2015. The weakness was released 07/21/2017 with SEARCH-LAB Ltd. (Website). The advisory is shared for download at packetstormsecurity.com. This vulnerability was named CVE-2015-3932 since 05/12/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1505.

The vulnerability was handled as a non-public zero-day exploit for at least 756 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.7.8.1204 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 75489†). Entry connected to this vulnerability is available at VDB-104355. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Netlock

Name

• Mokka

Version

• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.7.6
• 2.7.7
• 2.7.8

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml injection
CWE: CWE-91 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mokka 2.7.8.1204

Timelineinfo

05/12/2015 🔍
06/26/2015 +45 days 🔍
06/26/2015 +0 days 🔍
07/21/2017 +756 days 🔍
07/21/2017 +0 days 🔍
07/22/2017 +1 days 🔍
12/13/2022 +1970 days 🔍

Sourcesinfo

Advisory: 132473
Researcher: SEARCH-LAB Ltd.
Organization: SEARCH-LAB Ltd.
Status: Not defined

CVE: CVE-2015-3932 (🔍)
GCVE (CVE): GCVE-0-2015-3932
GCVE (VulDB): GCVE-100-104356
SecurityFocus: 75489 - Netlock Mokka CVE-2015-3932 XML Digital Signature Spoofing Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 07/22/2017 09:40
Updated: 12/13/2022 14:05
Changes: 07/22/2017 09:40 (65), 10/31/2019 09:33 (1), 01/06/2021 08:57 (2), 12/13/2022 14:05 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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