Multiple vulnerabilities in Adobe Acrobat and Reader

1) NULL pointer dereference

EUVDB-ID: #VU68156

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35691

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trick the victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU68159

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38437

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a use-after-free error. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Stack-based buffer overflow

EUVDB-ID: #VU68161

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38450

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Stack-based buffer overflow

EUVDB-ID: #VU68162

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42339

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds read

EUVDB-ID: #VU68163

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38449

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted JP2 images, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1430/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds read

EUVDB-ID: #VU68164

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42342

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 20.005.30331 - 2020.013.20074

Adobe Acrobat: 17.008.30051 - 22.002.20212

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-46.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1431/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	High
Patch available	YES
Number of vulnerabilities	6
CVE-ID	CVE-2022-35691 CVE-2022-38437 CVE-2022-38450 CVE-2022-42339 CVE-2022-38449 CVE-2022-42342
CWE-ID	CWE-476 CWE-416 CWE-121 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Adobe Reader Client/Desktop applications / Office applications Adobe Acrobat Client/Desktop applications / Office applications
Vendor	Adobe