Adobe Acrobat Reader up to 2019.010.20100 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Adobe Acrobat Reader up to 2019.010.20100. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in use after free. This vulnerability is known as CVE-2019-7821. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

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

The bug was discovered 05/14/2019. The weakness was published 05/14/2019 as APSB19-18 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2019-7821 since 02/12/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/15/2024).

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.

Further details are available at blog.talosintelligence.com. Similar entries are available at VDB-134755, VDB-134756, VDB-134757 and VDB-134758. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
NVD Vector: 🔍

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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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 🔍
06/15/2024 +1858 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-18
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-7821 (🔍)
GCVE (CVE): GCVE-0-2019-7821
GCVE (VulDB): GCVE-100-134805
SecurityFocus: 108320

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/15/2019 08:34
Updated: 06/15/2024 23:50
Changes: 05/15/2019 08:34 (65), 06/10/2020 15:49 (3), 09/18/2023 08:47 (5), 06/15/2024 23:50 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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