Xerox WorkCentre prior R18-05 073.xxx.0487.15000 code injection

entryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical has been found in Xerox WorkCentre (Printing Software). This affects an unknown part. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-94. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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. An attacker can execute PHP code by leveraging a writable file.

The bug was discovered 06/28/2018. The weakness was disclosed 02/10/2019 (Website). It is possible to read the advisory at securitydocs.business.xerox.com. This vulnerability is uniquely identified as CVE-2018-20768 since 02/10/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

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.

The entries 130706, 130708, 130709 and 130710 are pretty similar.

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VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-94
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WorkCentre R18-05 073.xxx.0487.15000

Timelineinfoedit

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

Sourcesinfoedit

Vendor: https://www.xerox.com/

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

CVE: CVE-2018-20768 (🔍)
See also: 🔍

Entryinfoedit

Created: 02/11/2019 09:19 AM
Updated: 05/29/2020 12:55 PM
Changes: (2) vulnerability_discoverydate advisory_confirm_url
Complete: 🔍

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