Adobe security alert.

Advisory overview

Qualys Vulnerability R&D Lab has released new vulnerability checks in the Enterprise TruRisk Platform to protect organizations against 29 vulnerabilities that were fixed in 1 bulletins announced today by Adobe. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit Qualys Security Blog to prioritize remediation.

Non-Qualys customers can audit their network for these and other vulnerabilities by signing up for a Qualys Free Trial, or by trying Qualys Community Edition.

Vulnerability details

Adobe has released 1 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:

• Adobe Security Update for Adobe Acrobat and Reader(APSB21-09)

  Severity

  Critical 4

  Qualys ID

  375099

  Vendor Reference

  APSB21-09

  CVE Reference

  CVE-2021-21017, CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21034, CVE-2021-21035, CVE-2021-21036, CVE-2021-21037, CVE-2021-21038, CVE-2021-21039, CVE-2021-21040, CVE-2021-21041, CVE-2021-21042, CVE-2021-21044, CVE-2021-21045, CVE-2021-21046, CVE-2021-21057, CVE-2021-21058, CVE-2021-21059, CVE-2021-21060, CVE-2021-21061, CVE-2021-21062, CVE-2021-21063, CVE-2021-21086, CVE-2021-21088, CVE-2021-21089, CVE-2021-28545, CVE-2021-28546, CVE-2021-40723

  CVSS Scores

  Base 9.3 / Temporal 7.7

  Description

  Adobe Reader and Acrobat are applications for handling PDF files.

  Multiple Vulnerabilities are detected in them ranging from DOS, privilege escalation and arbitrary code execution with below CVEs: CVE-2021-21046,CVE-2021-21017,CVE-2021-21037,CVE-2021-21036,CVE-2021-21045,CVE-2021-21042,CVE-2021-21034,CVE-2021-21061,CVE-2021-21044,CVE-2021-21038,CVE-2021-21058,CVE-2021-21059,CVE-2021-21062,CVE-2021-21063,CVE-2021-21057,CVE-2021-21060,CVE-2021-21041,CVE-2021-21040,CVE-2021-21039,CVE-2021-21035,CVE-2021-21033,CVE-2021-21028,CVE-2021-21021,CVE-2021-28545,CVE-2021-28546 Affected Versions:
  Acrobat DC Continuous 2020.013.20074 and earlier version for Windows and Macintosh
  Acrobat Reader DC Continuous 2020.013.20074 and earlier version for Windows and Macintosh
  Acrobat Classic 2020 2020.001.30018 and earlier versions for Windows and Macintosh
  Acrobat Reader 2020 Classic 2020.001.30018 and earlier versions for Windows and Macintosh
  Acrobat 2017 Classic 2017.011.30188 and earlier versions for Windows and Macintosh
  Acrobat Reader 2017 versions prior to 2017.011.30188 for Windows and Macintosh
  

  QID Detection Logic (Authenticated):
  This QID looks for the vulnerable version of Acrobat.dll, AcroRd32.dll and nppdf32.dll files.
  

  Consequence

  An attacker could exploit this vulnerability to compromise Confidentiality, Integrity and or Availability.

  Solution

  Adobe has released fix to address this issue. Customers are advised to refer to APSB21-09 for updates pertaining to this vulnerability.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  apsb21-09

Access for Qualys Customers

Platforms and Platform Identification

Technical Support

For more information, customers may contact Qualys Technical Support.

About Qualys

The Enterprise TruRisk Platform and its integrated suite of security and compliance applications provides organizations of all sizes with a global view of their security and compliance solutions, while drastically reducing their total cost of ownership. Qualys solutions include: continuous monitoring, vulnerability management, policy compliance, PCI compliance, security assessment questionnaire, web application scanning, web application firewall, malware detection and SECURE Seal for security testing of web sites.