Lexmark Scan To Network up to 3.2.9 Network Configuration snfDestServlet Request credentials management

EntryHistoryDiffjsonxmlCTI

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.
7.5	$0-$5k	0.00

A vulnerability classified as problematic was found in Lexmark Scan To Network up to 3.2.9 (Printing Software). Affected by this vulnerability is an unknown function of the file cgi-bin/direct/printer/prtappauth/apps/snfDestServlet of the component Network Configuration. The manipulation as part of a Request leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. The summary by CVE is:

Lexmark Scan To Network (SNF) 3.2.9 and earlier stores network configuration credentials in plaintext and transmits them in requests, which allows remote attackers to obtain sensitive information via requests to (1) cgi-bin/direct/printer/prtappauth/apps/snfDestServlet or (2) cgi-bin/direct/printer/prtappauth/apps/ImportExportServlet.

The bug was discovered 08/30/2017. The weakness was presented 09/07/2017 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2017-13771 since 08/30/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k.

Proper firewalling of is able to address this issue.

Productinfo

Type

Printing Software

Vendor

Lexmark

Name

Scan To Network

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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

OpenVAS ID: 103158
OpenVAS Name: Lexmark Scan To Network Information Disclosure Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2017 🔍
08/30/2017 +0 days 🔍
09/07/2017 +8 days 🔍
09/07/2017 +0 days 🔍
09/08/2017 +1 days 🔍
12/28/2022 +1937 days 🔍

Sourcesinfo

Advisory: 143975
Status: Not defined

CVE: CVE-2017-13771 (🔍)

Entryinfo

Created: 09/08/2017 09:10
Updated: 12/28/2022 07:36
Changes: 09/08/2017 09:10 (59), 11/13/2019 13:21 (7), 12/28/2022 07:36 (4)
Complete: 🔍