VDB-112696 · CVE-2018-6462 · GCVE-0-2018-6462

Tracker PDF-XChange up to 2.5.322.7 YCC to RGB PDF Document data processing

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Tracker PDF-XChange up to 2.5.322.7. Affected by this issue is some unknown functionality of the component YCC to RGB Handler. Executing a manipulation as part of PDF Document can lead to data processing. This vulnerability is handled as CVE-2018-6462. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Tracker PDF-XChange up to 2.5.322.7. It has been declared as critical. This vulnerability affects an unknown part of the component YCC to RGB Handler. The manipulation as part of a PDF Document leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Tracker PDF-XChange Viewer and Viewer AX SDK before 2.5.322.8 mishandle conversion from YCC to RGB colour spaces by calculating on the basis of 1 bpc instead of 8 bpc, which might allow remote attackers to execute arbitrary code via a crafted PDF document.

The bug was discovered 01/30/2018. The weakness was released 01/31/2018 (Website). The advisory is shared for download at tracker-software.com. This vulnerability was named CVE-2018-6462 since 01/31/2018. 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 vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.5.322.8 eliminates this vulnerability.

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

Productinfo

Type

Document Reader Software

Vendor

Tracker

Name

PDF-XChange

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Data processing
CWE: CWE-19
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: PDF-XChange 2.5.322.8

Timelineinfo

01/30/2018 🔍
01/31/2018 +1 days 🔍
01/31/2018 +0 days 🔍
01/31/2018 +0 days 🔍
02/01/2018 +1 days 🔍
12/31/2019 +698 days 🔍

Sourcesinfo

Advisory: tracker-software.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6462 (🔍)
GCVE (CVE): GCVE-0-2018-6462
GCVE (VulDB): GCVE-100-112696

Entryinfo

Created: 02/01/2018 07:59
Updated: 12/31/2019 17:16
Changes: 02/01/2018 07:59 (59), 12/31/2019 17:16 (2)
Complete: 🔍
Cache ID: 216::103