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kasperskyKaspersky LabKLA12066
HistoryFeb 09, 2021 - 12:00 a.m.

KLA12066 Multiple vulnerabilities in Adobe Acrobat and Adobe Acrobat Reader

2021-02-0900:00:00
Kaspersky Lab
threats.kaspersky.com
81

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.4 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.643 Medium

EPSS

Percentile

97.9%

Multiple vulnerabilities were found in Adobe Acrobat and Adobe Acrobat Reader. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, cause denial of service, bypass security restrictions.

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability can be exploited to execute arbitrary code.
  2. Improper input validation vulnerability can be exploited to obtain sensitive information.
  3. Out of bounds read vulnerability can be exploited to gain privileges.
  4. Integer overflow vulnerability can be exploited to execute arbitrary code.
  5. Path traversal vulnerability can be exploited to execute arbitrary code.
  6. Buffer overflow vulnerability can be exploited to execute arbitrary code.
  7. An out of bound write vulnerability can be exploited to execute arbitrary code.
  8. NULL pointer dereference vulnerability can be exploited to obtain sensitive information.
  9. Buffer overflow vulnerability can be exploited to cause denial of service.
  10. Improper access control vulnerability can be exploited to gain privileges.
  11. Use after free vulnerability can be exploited to obtain sensitive information.
  12. Heap-based buffer overflow vulnerability can be exploited to execute arbitrary code.
  13. Security bypass vulnerability can be exploited to bypass security restrictions.

Original advisories

APSB21-09

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Adobe-Acrobat-Reader-DC-Continuous

Adobe-Acrobat-DC-Continuous

Adobe-Acrobat-Reader-2017

Adobe-Acrobat-2017

Adobe-Acrobat-Reader-2020

Adobe-Acrobat-2020

CVE list

CVE-2021-21035 critical

CVE-2021-21060 warning

CVE-2021-21034 warning

CVE-2021-21036 critical

CVE-2021-21037 critical

CVE-2021-21058 critical

CVE-2021-21028 critical

CVE-2021-21062 critical

CVE-2021-21044 critical

CVE-2021-21041 critical

CVE-2021-21063 critical

CVE-2021-21057 high

CVE-2021-21033 critical

CVE-2021-21038 critical

CVE-2021-21046 warning

CVE-2021-21045 critical

CVE-2021-21061 warning

CVE-2021-21017 critical

CVE-2021-21040 critical

CVE-2021-21039 critical

CVE-2021-21042 high

CVE-2021-21021 critical

CVE-2021-21059 critical

CVE-2021-21086 critical

CVE-2021-21088 critical

CVE-2021-28546 high

CVE-2021-21089 warning

CVE-2021-28545 critical

CVE-2021-40723 high

Solution

Update to the latest version

Download Adobe Acrobat Reader DC

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • Adobe Acrobat DC Continuous earlier than 2021.001.20135Adobe Acrobat 2020 Classic earlier than 2020.001.30020Adobe Acrobat 2017 Classic earlier than 2017.011.30190Adobe Acrobat Reader DC Continuous earlier than 2021.001.20135Adobe Acrobat Reader 2020 Classic earlier than 2020.001.30020Adobe Acrobat Reader 2017 Classic earlier than 2017.011.30190

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.4 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.643 Medium

EPSS

Percentile

97.9%