Adobe Security Vulnerabilities
Adobe has released over 40 security fixes to address mainly critical vulnerabilities in software during this month's patch update. The majority of the fixes impact Adobe Framemaker, a document. Adobe on Tuesday informed customers that it has patched 26 vulnerabilities in its Acrobat and Reader products, including 11 critical flaws that can be exploited to bypass security features and for arbitrary code execution.
| Bulletin ID | Date Published | Priority |
|---|---|---|
| APSB20-67 | November 03, 2020 | 2 |
Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical, important and moderate vulnerabilities. Successful exploitation could lead to arbitrary code execution in the context of the current user.
| Product | Track | Affected Versions | Platform |
|---|---|---|---|
| Acrobat DC | Continuous | 2020.012.20048 and earlier versions | Windows & macOS |
| Acrobat Reader DC | Continuous | 2020.012.20048 and earlier versions | Windows & macOS |
| Acrobat 2020 | Classic 2020 | 2020.001.30005 and earlier versions | Windows & macOS |
| Acrobat Reader 2020 | Classic 2020 | 2020.001.30005 and earlier versions | Windows & macOS |
| Acrobat 2017 | Classic 2017 | 2017.011.30175 and earlier versions | Windows & macOS |
| Acrobat Reader 2017 | Classic 2017 | 2017.011.30175 and earlier versions | Windows & macOS |
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:
Users can update their product installations manually by choosing Help > Check for Updates.
The products will update automatically, without requiring user intervention, when updates are detected.
The full Acrobat Reader installer can be downloaded from the Acrobat Reader Download Center.
For IT administrators (managed environments):
Adobe Reader Security Vulnerabilities
Download the enterprise installers from ftp://ftp.adobe.com/pub/adobe/, or refer to the specific release note version for links to installers.
Install updates via your preferred methodology, such as AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and SSH.
Adobe Air Vulnerabilities
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:
| Product | Track | Updated Versions | Platform | Priority Rating | Availability |
|---|---|---|---|---|---|
| Acrobat DC | Continuous | 2020.013.20064 | Windows and macOS | 2 | |
| Acrobat Reader DC | Continuous | 2020.013.20064 | Windows and macOS | 2 |
|
| Acrobat 2020 | Classic 2020 | 2020.001.30010 | Windows and macOS | 2 | |
| Acrobat Reader 2020 | Classic 2020 | 2020.001.30010 | Windows and macOS | 2 |
|
| Acrobat 2017 | Classic 2017 | 2017.011.30180 | Windows and macOS | 2 | macOS |
| Acrobat Reader 2017 | Classic 2017 | 2017.011.30180 | Windows and macOS | 2 | macOS |
| Vulnerability Category | Vulnerability Impact | Severity | CVE Number |
|---|---|---|---|
| Heap-based buffer overflow | Arbitrary Code Execution | Critical | CVE-2020-24435 |
| Improper access control | Local privilege escalation | Important | CVE-2020-24433 |
| Improper input validation | Arbitrary JavaScript Execution | Important | CVE-2020-24432 |
| Signature validation bypass | Minimal (defense-in-depth fix) | Moderate | CVE-2020-24439 |
| Signature verification bypass | Local privilege escalation | Important | CVE-2020-24429 |
| Improper input validation | Information Disclosure | Important | CVE-2020-24427 |
| Security feature bypass | Dynamic library injection | Important | CVE-2020-24431 |
| Out-of-bounds write | Arbitrary Code Execution | Critical | CVE-2020-24436 |
| Out-of-bounds read | Information Disclosure | Moderate | CVE-2020-24426 CVE-2020-24434 |
| Race Condition | Local privilege escalation | Important | CVE-2020-24428 |
| Use-after-free | Arbitrary Code Execution | Critical | CVE-2020-24430 CVE-2020-24437 |
| Use-after-free | Information Disclosure | Moderate | CVE-2020-24438 |
Adobe Security Vulnerabilities
Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers:
- Kimiya working with Trend Micro Zero Day Initiative (CVE-2020-24434, CVE-2020-24436)
- Mark Vincent Yason (@MarkYason) working with Trend Micro Zero Day Initiative (CVE-2020-24426, CVE-2020-24438)
- Yuebin Sun(@yuebinsun) of Tencent Security Xuanwu Lab (CVE-2020-24439)
- Thijs Alkemade from Computest Research Division(CVE-2020-24428, CVE-2020-24429)
- Lasse Trolle Borup of Danish Cyber Defence (CVE-2020-24433)
- Aleksandar Nikolic of Cisco Talos (CVE-2020-24435, CVE-2020-24437)
- Haboob Labs.( CVE-2020-24427)
- Hou JingYi (@hjy79425575) of Qihoo 360 CERT (CVE-2020-24431)
- Alan Chang Enze of STAR Labs (CVE-2020-24430)
- Simon Rohlmann, Vladislav Mladenov, Christian Mainka and Jörg Schwenk from Ruhr University Bochum, Chair for Network and Data Security (CVE-2020-24432)