KLA12187 Multiple vulnerabilities in Adobe Acrobat and Adobe Acrobat Reader

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

Below is a complete list of vulnerabilities:

1. A buffer overflow vulnerability can be exploited to execute arbitrary code.
2. A heap buffer overflow vulnerability can be exploited to execute arbitrary code.
3. An out of bounds read vulnerability can be exploited to cause denial of service or obtain sensitive information.
4. An out of bounds read vulnerability can be exploited to obtain sensitive information.
5. An out of bounds read vulnerability can be exploited to execute arbitrary code.
6. An out of bound write vulnerability can be exploited to execute arbitrary code.
7. An information disclosure vulnerability can be exploited to gain privileges or obtain sensitive information.
8. A use after free vulnerability can be exploited to execute arbitrary code.

Original advisories

APSB21-29

Exploitation

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-2021-21044 critical

CVE-2021-21038 critical

CVE-2021-21086 critical

CVE-2021-28561 critical

CVE-2021-28560 critical

CVE-2021-28558 critical

CVE-2021-28557 warning

CVE-2021-28555 high

CVE-2021-28565 critical

CVE-2021-28564 critical

CVE-2021-28559 high

CVE-2021-28562 critical

CVE-2021-28550 critical

CVE-2021-28553 critical

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 2021.001.20155Adobe Acrobat 2020 Classic earlier than 2020.001.30025Adobe Acrobat 2017 Classic earlier than 2017.011.30196Adobe Acrobat Reader DC Continuous earlier than 2021.001.20155Adobe Acrobat Reader 2020 Classic earlier than 2020.001.30025Adobe Acrobat Reader 2017 Classic earlier than 2017.011.30196