VDB-130708 · CVE-2018-20769 · GCVE-0-2018-20769

Xerox WorkCentre prior R18-05 073.xxx.0487.15000 cryptographic issues

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Xerox WorkCentre. This issue affects some unknown processing. The manipulation leads to cryptographic issues. The identification of this vulnerability is CVE-2018-20769. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as problematic was found in Xerox WorkCentre (Printing Software). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a cryptographic issues vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality. CVE summarizes:

An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. There is a Local File Inclusion vulnerability.

The bug was discovered 06/28/2018. The weakness was presented 02/10/2019 (Website). The advisory is shared for download at securitydocs.business.xerox.com. This vulnerability was named CVE-2018-20769 since 02/10/2019. 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 MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability was handled as a non-public zero-day exploit for at least 227 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version R18-05 073.xxx.0487.15000 eliminates this vulnerability.

See VDB-130706, VDB-130707, VDB-130709 and VDB-130710 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Printing Software

Vendor

Xerox

Name

WorkCentre

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Cryptographic issues
CWE: CWE-310
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WorkCentre R18-05 073.xxx.0487.15000

Timelineinfo

06/28/2018 🔍
02/10/2019 +227 days 🔍
02/10/2019 +0 days 🔍
02/11/2019 +1 days 🔍
05/29/2020 +473 days 🔍

Sourcesinfo

Vendor: xerox.com

Advisory: securitydocs.business.xerox.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20769 (🔍)
GCVE (CVE): GCVE-0-2018-20769
GCVE (VulDB): GCVE-100-130708
See also: 🔍

Entryinfo

Created: 02/11/2019 09:19
Updated: 05/29/2020 13:01
Changes: 02/11/2019 09:19 (58), 05/29/2020 13:01 (2)
Complete: 🔍
Cache ID: 216:CBA:103