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Welcome to this February Patch Monday Bulletin. This month there are patches from Adobe, Apple, Google, and Mozilla. Adobe Acrobat/Reader and Google Chrome both updated actively exploited vulnerabilities and should be top priority this month. CVE-2021-21017 is an arbitrary code execution vulnerability that has been observed exploiting Adobe Acrobat/Reader. This is the first Critical Priority 1 vulnerability in recent months and should be the top priority this month. CVE-2021-21148 is a heap buffer overflow in google chrome that has exploits reported in the wild. Adobe rated the Magento update as a Critical Priority 2 update and should be the next priority due to Magento being a popular target for attackers. Follow up with updates to Mozilla Firefox since it has been a popular target in the past. Review the environment for the presence of iCloud, Thunderbird, and the remaining Adobe products and assess whether patches should be applied.
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So, without further ado, here’s the chart of non-MS patches this month.
Patch data provided by:
Identifier
Vendor/Product
Product Version Affected
Date Released by Vendor
Vulnerability Info
Vendor Severity / Our Recommendation
CVE-2021-21055
Adobe Dreamweaver
20.2, 21.0
2/9/2021
Information Disclosure
Important Priority 3: Update at admin’s discretion
Multiple CVE’s
Adobe Illustrator
25.1 and earlier
Arbitrary Code Execution
Critical Priority 3: Update at admin’s discretion
CVE-2021-21052
Adobe Animate
21.0.2 and earlier
Adobe Photoshop
21.2.4 and earlier
22.1.1 and earlier
Magento
Commerce/ Open Source
2.4.1 and earlier
2.4.0 and earlier
2.3.6 and earlier
Arbitrary Code Execution, Unauthorized Access
Critical Priority 2: Update within 30 days
Adobe Acrobat/Reader
Continuous 2020.013.20074 and earlier
Classic 2020 2020.001.30018 and earlier
Classic 2017 2017.011.30188 and earlier
Denial of Service, Arbitrary Code Execution, Privilege Escalation, Information Disclosure
Critical Priority 1: Update within 72 hours
Apple iCloud for Windows
Before 12.0
1/26/2021
Update after testing
Google Chrome
Windows before 88.0.4324.190
Mac before 88.0.4324.192
Linux before 88.0.4324.182
1/22/2021
Use After Free, Heap Overflow, Stack Overflow
Mozilla Firefox
Before 85.0.1/ESR 78.7.1
2/5/2021
Information Disclosure, Denial of Service
Mozilla Thunderbird
Before 78.7