Adobe Products Could Allow for Arbitrary Code Execution

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Fortify Security Team

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Jul 13, 2021

Multiple vulnerabilities have been discovered in Adobe Products, the most severe of which could allow for arbitrary code execution.

Dimension is a 3D rendering and design software.
Illustrator is a vector graphics editor and design program.
Adobe Framemaker is a document processing software used to write and edit large or complex documents.
Acrobat and Reader is a family of application software and Web services mainly used to create, view, and edit PDF documents.
Bridge is a free digital asset management app. It is a mandatory component of Adobe Creative Suite, Adobe eLearning Suite, Adobe Technical Communication Suite and Adobe Photoshop CS2 through CS6.

Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

THREAT INTELLIGENCE: There are currently no reports of these vulnerabilities being exploited in the wild.

SYSTEMS AFFECTED:

Adobe Dimension 3.4 and earlier versions
Adobe Illustrator 2021 25.2.3 ?and?earlier?versions??
Adobe Framemaker 2019 Update 8 and earlier
Adobe Framemaker 2020 Release Update 1?and earlier
Acrobat DC 2021.005.20054?and?earlier?versions?????????
Acrobat Reader DC 2021.005.20054?and?earlier?versions
Acrobat 2020 2020.004.30005 and earlier versions
Acrobat Reader 2020 2020.004.30005 and earlier versions
Acrobat 2017 2017.011.30197? and?earlier?versions
Acrobat Reader 2017 2017.011.30197? and?earlier?versions
Adobe Bridge? 11.0.2 and earlier versions

RISK:

Government:

Large and medium government entities: Medium
Small government entities: Medium

Businesses:

Large and medium business entities: Medium
Small business entities: Medium

Home users: Low

TECHNICAL SUMMARY:

Multiple vulnerabilities have been discovered in Adobe Products, the most severe of which could allow for arbitrary code execution. Details of these vulnerabilities are as follows:

Adobe Dimension

Uncontrolled Search Path Element, which could allow for arbitrary code execution. (CVE-2021-28595)

Adobe Illustrator

Out-of-bounds write vulnerability, which could allow for arbitrary code execution. (CVE-2021-28591, CVE-2021-28592)
Use After Free vulnerability, which could allow for arbitrary file system read. (CVE-2021-28593)

Adobe Framemaker

Out-of-bounds write vulnerability, which could allow for arbitrary code execution. (CVE-2021-28596)

Acrobat and Reader

Path Traversal vulnerability, which could allow for arbitrary file system read. (CVE-2021-35980, CVE-2021-28644)
Use After Free vulnerabilities, which could allow for arbitrary code execution. (CVE-2021-28640, CVE-2021-28641, CVE-2021-28639, CVE-2021-35983, CVE-2021-35981, CVE-2021-28635)
Type Confusion vulnerability, which could allow for arbitrary code execution. (CVE-2021-28643)
Out-of-bounds Write vulnerability, which could allow for arbitrary file system write. (CVE-2021-28642)
Out-of-bounds Read vulnerability, which could allow for a memory leak. (CVE-2021-28637)
Heap-based Buffer Overflow vulnerability, which could allow for arbitrary code execution. (CVE-2021-28638)
Uncontrolled Search Path Element vulnerability, which could allow for arbitrary code execution. (CVE-2021-28636)
OS Command Injection vulnerability, which could allow for arbitrary code execution. (CVE-2021-28634)
Out-of-bounds Read, vulnerability, which could allow for privilege escalation. (CVE-2021-35988, CVE-2021-35987)
Type Confusion vulnerability, which could allow for arbitrary file system read. (CVE-2021-35986)
NULL Pointer Dereference vulnerability, which could allow for application denial-of-service. (CVE-2021-35985, CVE-2021-35984)

Adobe Bridge

Heap-based Buffer Overflow vulnerability, which could allow for arbitrary code execution. (CVE-2021-28624)
Improper Input Validation vulnerability, which could allow for arbitrary code execution. (CVE-2021-35991)
Out-of-bounds Write vulnerability, which could allow for arbitrary code execution. (CVE-2021-35989, CVE-2021-35990)
Out-of-bounds Read vulnerability, which could allow for arbitrary file system read. (CVE-2021-35992)

RECOMMENDATIONS:

We recommend the following actions be taken:

Install the updates provided by Adobe immediately after appropriate testing.
Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from un-trusted sources.
Apply the Principle of Least Privilege to all systems and services.

REFERENCES:

Adobe:

https://helpx.adobe.com/security/products/dimension/apsb21-40.html

https://helpx.adobe.com/security/products/illustrator/apsb21-42.html

https://helpx.adobe.com/security/products/framemaker/apsb21-45.html

https://helpx.adobe.com/security/products/acrobat/apsb21-51.html

https://helpx.adobe.com/security/products/bridge/apsb21-53.html

CVE:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28591

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28592

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28593

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28595

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28596

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28624

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28634

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28635

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28636

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28637

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28638

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28639

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28640

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28641

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28642

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28643

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28644

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35980

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35981

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35983

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35984

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35985

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35986

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35987

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35988

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35989

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35990

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35991

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35992

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