Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2022.0111
APSB22-01 : Security update available for Adobe Acrobat and Reader
12 January 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Acrobat DC
Acrobat Reader DC
Acrobat
Acrobat Reader
Publisher: Adobe
Operating System: Windows
macOS
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Remote with User Interaction
Denial of Service -- Existing Account
Unauthorised Access -- Remote with User Interaction
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-45068 CVE-2021-45067 CVE-2021-45064
CVE-2021-45063 CVE-2021-45062 CVE-2021-45061
CVE-2021-45060 CVE-2021-44742 CVE-2021-44741
CVE-2021-44740 CVE-2021-44739 CVE-2021-44715
CVE-2021-44714 CVE-2021-44713 CVE-2021-44712
CVE-2021-44711 CVE-2021-44710 CVE-2021-44709
CVE-2021-44708 CVE-2021-44707 CVE-2021-44706
CVE-2021-44705 CVE-2021-44704 CVE-2021-44703
CVE-2021-44702 CVE-2021-44701
Original Bulletin:
https://helpx.adobe.com/security/products/acrobat/apsb22-01.html
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Security update available for Adobe Acrobat and Reader | APSB22-01
Bulletin ID Date Published Priority
APSB22-01 January 11, 2022 2
Summary
Adobe has released security updates for Adobe Acrobat and Reader for Windows
and macOS. These updates address multiple critical , important and moderate
vulnerabilities. Successful exploitation could lead to arbitrary code
execution, memory leak, application denial of service, security feature bypass
and privilege escalation.
Affected Versions
Product Track Affected Versions Platform
Acrobat DC Continuous 21.007.20099 and earlier Windows
versions
Acrobat Reader DC Continuous 21.007.20099 and earlier Windows
versions
Continuous 21.007.20099 and earlier
Acrobat DC versions macOS
Continuous 21.007.20099 and earlier
Acrobat Reader DC versions macOS
20.004.30017 and earlier Windows &
Acrobat 2020 Classic 2020 versions macOS
Acrobat Reader Classic 2020 20.004.30017 and earlier Windows &
2020 versions macOS
Acrobat 2017 Classic 2017 17.011.30204 and earlier Windows &
versions macOS
Acrobat Reader 17.011.30204 and earlier Windows &
2017 Classic 2017 versions macOS
For questions regarding Acrobat DC, please visit the Acrobat DC FAQ page .
For questions regarding Acrobat Reader DC, please visit the Acrobat Reader DC
FAQ page .
Solution
Adobe recommends users update their software installations to the latest
versions by following the instructions below.
The latest product versions are available to end users via one of the following
methods:
o Users can update their product installations manually by choosing Help >
Check for Updates.
o The products will update automatically, without requiring user
intervention, when updates are detected.
o The full Acrobat Reader installer can be downloaded from the Acrobat Reader
Download Center .
For IT administrators (managed environments):
o Refer to the specific release note version for links to installers.
o Install updates via your preferred methodology, such as AIP-GPO,
bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and
SSH.
Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version:
Product Track Updated Platform Priority Availability
Versions Rating
Acrobat DC Continuous 21.011.20039 Windows and 2 Release
macOS Notes
Acrobat Reader Continuous 21.011.20039 Windows and 2 Release
DC macOS Notes
Acrobat 2020 Classic 20.004.30020 Windows and 2 Release
2020 macOS Notes
Acrobat Reader Classic 20.004.30020 Windows and 2 Release
2020 2020 macOS Notes
Acrobat 2017 Classic 17.011.30207 Windows and 2 Release
2017 macOS Notes
Acrobat Reader Classic 17.011.30207 Windows and 2 Release
2017 2017 macOS Notes
Vulnerability Details
Vulnerability Vulnerability Severity CVSS base CVSS vector CVE Number
Category Impact score
CVSS:3.0/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-44701
(CWE-416) S:U/C:H/I:H/
A:H
Improper CVSS:3.1/
Access Privilege AV:N/AC:L/
Control escalation Critical 7.5 PR:N/UI:R/ CVE-2021-44702
(CWE-284) S:C/C:H/I:N/
A:N
Stack-based CVSS:3.1/
Buffer Arbitrary code AV:L/AC:L/
Overflow execution Critical 7.8 PR:N/UI:R/ CVE-2021-44703
(CWE-121) S:U/C:H/I:H/
A:H
CVSS:3.1/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-44704
(CWE-416) S:U/C:H/I:H/
A:H
Access of CVSS:3.1/
Uninitialized Arbitrary code AV:L/AC:L/
Pointer execution Critical 7.8 PR:N/UI:R/ CVE-2021-44705
(CWE-824) S:U/C:H/I:H/
A:H
CVSS:3.1/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-44706
(CWE-416) S:U/C:H/I:H/
A:H
CVSS:3.1/
Out-of-bounds Arbitrary code AV:L/AC:L/
Write execution Critical 7.8 PR:N/UI:R/ CVE-2021-44707
(CWE-787) S:U/C:H/I:H/
A:H
Heap-based CVSS:3.1/
Buffer Arbitrary code AV:L/AC:L/
Overflow execution Critical 7.8 PR:N/UI:R/ CVE-2021-44708
(CWE-122) S:U/C:H/I:H/
A:H
Heap-based CVSS:3.1/
Buffer Arbitrary code AV:L/AC:L/
Overflow execution Critical 7.8 PR:N/UI:R/ CVE-2021-44709
(CWE-122) S:U/C:H/I:H/
A:H
CVSS:3.1/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-44710
(CWE-416) S:U/C:H/I:H/
A:H
Integer CVSS:3.1/
Overflow or Arbitrary code AV:L/AC:L/
Wraparound execution Critical 7.8 PR:N/UI:R/ CVE-2021-44711
(CWE-190) S:U/C:H/I:H/
A:H
Improper CVSS:3.1/
Input Application AV:L/AC:L/
Validation denial-of-service Important 4.4 PR:N/UI:R/ CVE-2021-44712
(CWE-20) S:U/C:L/I:N/
A:L
CVSS:3.1/
Use After Application AV:L/AC:L/
Free denial-of-service Important 5.5 PR:N/UI:R/ CVE-2021-44713
(CWE-416) S:U/C:N/I:N/
A:H
Violation of CVSS:3.1/
Secure Design Security feature AV:L/AC:H/
Principles bypass Moderate 2.5 PR:N/UI:R/ CVE-2021-44714
(CWE-657) S:U/C:L/I:N/
A:N
CVSS:3.1/
Out-of-bounds AV:L/AC:L/
Read Memory Leak Moderate 3.3 PR:N/UI:R/ CVE-2021-44715
(CWE-125) S:U/C:L/I:N/
A:N
Improper CVSS:3.1/
Input Security feature AV:A/AC:L/
Validation bypass Moderate 3.5 PR:N/UI:R/ CVE-2021-44739
(CWE-20) S:U/C:L/I:N/
A:N
CVSS:3.1/
NULL Pointer Application AV:L/AC:L/
Dereference denial-of-service Moderate 3.3 PR:N/UI:R/ CVE-2021-44740
(CWE-476) S:U/C:N/I:N/
A:L
CVSS:3.1/
NULL Pointer Application AV:L/AC:L/
Dereference denial-of-service Moderate 3.3 PR:N/UI:R/ CVE-2021-44741
(CWE-476) S:U/C:N/I:N/
A:L
CVSS:3.1/
Out-of-bounds AV:L/AC:L/
Read Memory Leak Moderate 3.3 PR:N/UI:R/ CVE-2021-44742
(CWE-125) S:U/C:L/I:N/
A:N
CVSS:3.0/
Out-of-bounds Arbitrary code AV:L/AC:L/
Read execution Critical 7.8 PR:N/UI:R/ CVE-2021-45060
(CWE-125) S:U/C:H/I:H/
A:H
CVSS:3.0/
Out-of-bounds Arbitrary code AV:L/AC:L/
Write execution Critical 7.8 PR:N/UI:R/ CVE-2021-45061
(CWE-787) S:U/C:H/I:H/
A:H
CVSS:3.0/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-45062
(CWE-416) S:U/C:H/I:H/
A:H
CVSS:3.0/
Use After Privilege AV:L/AC:L/
Free escalation Moderate 3.3 PR:N/UI:R/ CVE-2021-45063
(CWE-416) S:U/C:L/I:N/
A:N
CVSS:3.0/
Use After Arbitrary code AV:L/AC:L/
Free execution Critical 7.8 PR:N/UI:R/ CVE-2021-45064
(CWE-416) S:U/C:H/I:H/
A:H
Access of CVSS:3.1/
Memory AV:L/AC:L/
Location Memory Leak Important 5.5 PR:N/UI:R/ CVE-2021-45067
After End of S:U/C:H/I:N/
Buffer A:N
(CWE-788)
CVSS:3.0/
Out-of-bounds Arbitrary code AV:L/AC:L/
Write execution Critical 7.8 PR:N/UI:R/ CVE-2021-45068
(CWE-787) S:U/C:H/I:H/
A:H
Acknowledgements
Adobe would like to thank the following for reporting these issues and for
working with Adobe to help protect our customers:
o Ashfaq Ansari and Krishnakant Patil - HackSys Inc working with Trend Micro
Zero Day Initiative (CVE-2021-44701)
o j00sean (j00sean) ( CVE-2021-44702, CVE-2021-44739)
o Kai Lu of Zscaler's ThreatLabz ( CVE-2021-44703, CVE-2021-44708,
CVE-2021-44709, CVE-2021-44740, CVE-2021-44741)
o PangU via TianfuCup (CVE-2021-44704)
o StakLeader via TianfuCup (CVE-2021-44705)
o Kunlun Lab via TianfuCup (CVE-2021-44706)
o Vulnerability Research Institute Juvenile Via TianfuCup (CVE-2021-44707)
o Jaewon Min and Aleksandar Nikolic of Cisco Talos (CVE-2021-44710,
CVE-2021-44711)
o Sanjeev Das (sd001) (CVE-2021-44712)
o Rocco Calvi (TecR0c) and Steven Seeley of Qihoo 360 ( CVE-2021-44713,
CVE-2021-44715)
o chamal (chamal) ( CVE-2021-44714)
o fr0zenrain of Baidu Security (fr0zenrain) ( CVE-2021-44742)
o Anonymous working with Trend Micro Zero Day Initiative (CVE-2021-45060,
CVE-2021-45061, CVE-2021-45062, CVE-2021-45063; CVE-2021-45068)
o Rich working with Trend Micro Zero Day Initiative (CVE-2021-45064)
o Ashfaq Ansari (ashfaqansari) (CVE-2021-45067)
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