Adobe Acrobat Reader 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$5k-$25k0.00

A vulnerability was found in Adobe Acrobat Reader up to 2015.006.30505/2017.011.30152/2019.021.20056 (Document Reader Software). It has been rated as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input 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:

Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

The weakness was published 12/10/2019 as APSB19-55 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2019-16464. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/10/2024).

Upgrading to version 2015.006.30508, 2017.011.30156 or 2019.021.20058 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

blogs.adobe.com is providing further details. Similar entries are available at 146948, 146949, 146950 and 146951.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Acrobat Reader 2015.006.30508/2017.011.30156/2019.021.20058

Timelineinfo

09/19/2019 🔍
12/10/2019 +82 days 🔍
12/10/2019 +0 days 🔍
12/11/2019 +1 days 🔍
03/10/2024 +1551 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-55
Status: Confirmed

CVE: CVE-2019-16464 (🔍)
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 12/11/2019 16:55
Updated: 03/10/2024 09:56
Changes: 12/11/2019 16:55 (45), 12/11/2019 17:00 (17), 03/10/2024 09:56 (4)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!