Adobe Acrobat Reader up to 2019.012.20035 type confusion

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 2019.012.20035 and classified as critical. This impacts an unknown function. Executing a manipulation can lead to type confusion. This vulnerability is tracked as CVE-2019-8251. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 2019.012.20035 (Document Reader Software). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have a type confusion vulnerability. Successful exploitation could lead to information disclosure.

The weakness was disclosed 07/06/2020 as APSB19-41 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability was named CVE-2019-8251 since 02/12/2019. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/07/2020).

Upgrading to version 2015.006.30499, 2017.011.30144 or 2019.012.20036 eliminates this vulnerability.

The entries VDB-140151, VDB-140152, VDB-140153 and VDB-140154 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Document Reader Software

Vendor

Adobe

Name

Acrobat Reader

Version

License

free

Website

Vendor: https://www.adobe.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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: Acrobat Reader 2015.006.30499/2017.011.30144/2019.012.20036

Timelineinfo

02/12/2019 🔍
07/06/2020 +510 days 🔍
07/07/2020 +1 days 🔍
10/28/2020 +113 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-41
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-8251 (🔍)
GCVE (CVE): GCVE-0-2019-8251
GCVE (VulDB): GCVE-100-157672
See also: 🔍

Entryinfo

Created: 07/07/2020 09:30
Updated: 10/28/2020 21:06
Changes: 07/07/2020 09:30 (42), 07/07/2020 09:35 (18), 10/28/2020 21:06 (1)
Complete: 🔍
Cache ID: 216::103

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