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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2450
        APSB21-54 Security update available for Adobe After Effects
                               21 July 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Adobe After Effects
Publisher:         Adobe
Operating System:  Windows
                   Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Read-only Data Access           -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-36019 CVE-2021-36018 CVE-2021-36017
                   CVE-2021-35996 CVE-2021-35995 CVE-2021-35994
                   CVE-2021-35993  

Original Bulletin: 
   https://helpx.adobe.com/security/products/after_effects/apsb21-54.html

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Security Updates Available for Adobe After Effects | APSB21-54

Bulletin ID                  Date Published                Priority

ASPB21-54                  July 20, 2021                     3


Summary

Adobe has released an update for Adobe After Effects for Windows and macOS.
This update addresses multiple critical and moderate vulnerabilities.
Successful exploitation could lead to arbitrary code execution in the context
of the current user.

Affected Versions

Product                           Version                  Platform

Adobe After Effects         18.2.1 and earlier versions             Windows


Solution

Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version via the
Creative Cloud desktop app's update mechanism. For more information, please
reference this help page .

Product        Version      Platform      Priority Rating  Availability

Adobe After Effects  18.4    Windows and macOS  3               Download Center


For managed environments, IT administrators can use the Admin Console to deploy
Creative Cloud applications to end users. Refer to this help page for more
information.

Vulnerability details

  Vulnerability   Vulnerability          CVSS
    Category         Impact     Severity base     CVSS vector     CVE Numbers
                                         score

Out-of-bounds     Arbitrary                    CVSS:3.1/AV:L/    CVE-2021-36018
Read ( CWE-125 )  file system   Moderate 3.3   AC:L/PR:N/UI:R/
                  read                         S:U/C:L/I:N/A:N   CVE-2021-36019

Access of Memory
Location After    Arbitrary                    CVSS:3.1/AV:L/
End of Buffer     code          Critical 7.8   AC:L/PR:N/UI:R/   CVE-2021-36017
                  execution                    S:U/C:H/I:H/A:H
( CWE-788 )

Out-of-bounds     Arbitrary                    CVSS:3.1/AV:L/    CVE-2021-35993
Write ( CWE-787 ) code          Critical 7.8   AC:L/PR:N/UI:R/
                  execution                    S:U/C:H/I:H/A:H   CVE-2021-35994

Improper Input    Arbitrary                    CVSS:3.1/AV:L/
Validation        code          Critical 7.8   AC:L/PR:N/UI:R/   CVE-2021-35995
                  execution                    S:U/C:H/I:H/A:H
( CWE-20 )

Access of Memory
Location After    Arbitrary                    CVSS:3.1/AV:N/
End of Buffer     code          Critical 8.8   AC:L/PR:N/UI:R/   CVE-2021-35996
                  execution                    S:U/C:H/I:H/A:H
( CWE-788 )


Acknowledgments

Adobe would like to thank the following researchers for reporting these issues
and for working with Adobe to help protect our customers:

  o CQY of Topsec Alpha Team (yjdfy) (CVE-2021-35996)
  o Mat Powell (@mrpowell) & Joshua Smith (@kernelsmith) of Trend Micro Zero
    Day Initiative (CVE-2021-35994, CVE-2021-35993)
  o Mat Powell of Trend Micro Zero Day Initiative (CVE-2021-35995,
    CVE-2021-36017, CVE-2021-36018)
  o Qiao Li Of Baidu Security Lab working with Trend Micro Zero Day Initiative
    (CVE-2021-36019)


For more information, visit https://helpx.adobe.com/security.html , or email
PSIRT@adobe.com.

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