VDB-106136 · CVE-2017-2821 · BID 100510

Lexmark Perspective Document Filter 11.3.0.2400/11.4.0.2452 PDF Parser PDF Document use after free

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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Lexmark Perspective Document Filter 11.3.0.2400/11.4.0.2452. This affects an unknown function of the component PDF Parser. Such manipulation as part of PDF Document leads to use after free. This vulnerability is documented as CVE-2017-2821. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Lexmark Perspective Document Filter 11.3.0.2400/11.4.0.2452 (Printing Software). It has been rated as critical. Affected by this issue is some unknown functionality of the component PDF Parser. The manipulation as part of a PDF Document leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable use-after-free exists in the PDF parsing functionality of Lexmark Perspective Document Filters 11.3.0.2400 and 11.4.0.2452. A crafted PDF document can lead to a use-after-free resulting in direct code execution.

The bug was discovered 08/28/2017. The weakness was released 09/05/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2017-2821 since 12/01/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100510†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Printing Software

Vendor

Lexmark

Name

Perspective Document Filter

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
08/28/2017 +269 days 🔍
08/28/2017 +0 days 🔍
09/05/2017 +8 days 🔍
09/05/2017 +0 days 🔍
09/06/2017 +1 days 🔍
12/27/2022 +1938 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Marcin 'Icewall' Noga
Status: Not defined

CVE: CVE-2017-2821 (🔍)
GCVE (CVE): GCVE-0-2017-2821
GCVE (VulDB): GCVE-100-106136
SecurityFocus: 100510

Entryinfo

Created: 09/06/2017 09:00
Updated: 12/27/2022 19:19
Changes: 09/06/2017 09:00 (53), 11/13/2019 08:29 (7), 01/11/2021 07:08 (4), 12/27/2022 19:19 (13)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.