Adobe Acrobat Reader up to 2019.010.20100 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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 2019.010.20100. It has been declared as critical. The impacted element is an unknown function. Executing a manipulation can lead to use after free. This vulnerability is tracked as CVE-2019-7805. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 2019.010.20100 (Document Reader Software). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/14/2019. The weakness was disclosed 05/14/2019 as APSB19-18 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability was named CVE-2019-7805 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 06/16/2024).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371777 (Adobe Reader and Acrobat Multiple Vulnerabilities (APSB19-18)).

Upgrading to version 2015.006.30497, 2017.011.30142 or 2019.012.20034 eliminates this vulnerability. The upgrade is hosted for download at get.adobe.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. The security bulletin contains the following remark:

Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical and important vulnerabilities.

Additional details are provided at blog.talosintelligence.com. The entries VDB-134755, VDB-134756, VDB-134757 and VDB-134758 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
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: 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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Acrobat Reader 2015.006.30497/2017.011.30142/2019.012.20034

Timelineinfo

02/12/2019 🔍
05/14/2019 +91 days 🔍
05/14/2019 +0 days 🔍
05/14/2019 +0 days 🔍
05/15/2019 +1 days 🔍
06/16/2024 +1859 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-18
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-7805 (🔍)
GCVE (CVE): GCVE-0-2019-7805
GCVE (VulDB): GCVE-100-134812
SecurityFocus: 108320

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/15/2019 08:34
Updated: 06/16/2024 08:16
Changes: 05/15/2019 08:34 (65), 06/10/2020 16:17 (3), 09/18/2023 09:09 (5), 06/16/2024 08:16 (16)
Complete: 🔍
Cache ID: 216::103