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.
4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 2017.011.30175/2020.001.30005/2020.012.20048. This issue affects some unknown processing. Executing a manipulation can lead to use after free. This vulnerability appears as CVE-2020-24438. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 2017.011.30175/2020.001.30005/2020.012.20048 (Document Reader Software). This vulnerability affects some unknown functionality. 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.

The weakness was presented 11/03/2020 as APSB20-67. The advisory is available at helpx.adobe.com. This vulnerability was named CVE-2020-24438. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/02/2020).

Upgrading to version 2017.011.30180, 2020.001.30010 or 2020.013.20064 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.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Acrobat Reader 2017.011.30180/2020.001.30010/2020.013.20064

Timelineinfo

08/19/2020 🔍
11/03/2020 +76 days 🔍
11/03/2020 +0 days 🔍
11/04/2020 +1 days 🔍
12/02/2020 +27 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB20-67
Status: Confirmed

CVE: CVE-2020-24438 (🔍)
GCVE (CVE): GCVE-0-2020-24438
GCVE (VulDB): GCVE-100-164278

Entryinfo

Created: 11/04/2020 07:38
Updated: 12/02/2020 00:49
Changes: 11/04/2020 07:38 (42), 12/02/2020 00:44 (2), 12/02/2020 00:49 (8)
Complete: 🔍
Cache ID: 216::103

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