Multiple vulnerabilities in Adobe Acrobat and Reader

1) Use-after-free

EUVDB-ID: #VU66331

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-2022-35665

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.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) Improper input validation

EUVDB-ID: #VU66333

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-2022-35666

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a improper input validation when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.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) Out-of-bounds write

EUVDB-ID: #VU66335

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-2022-35667

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger an out-of-bounds write and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1112/

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) Improper input validation

EUVDB-ID: #VU66339

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-2022-35668

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to a improper input validation when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file and read system memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.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) Use-after-free

EUVDB-ID: #VU66338

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-2022-35670

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 when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and read system memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.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.

6) Out-of-bounds read

EUVDB-ID: #VU66340

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-2022-35671

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when parsing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger an out-of-bounds read and read system memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1115/

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.

7) Out-of-bounds read

EUVDB-ID: #VU66341

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-2022-35678

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger an out-of-bounds read and read system memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 17.008.30051 - 22.001.20169

Adobe Reader: 17.012.30227 - 2020.013.20074

CPE2.3

External links

http://helpx.adobe.com/security/products/acrobat/apsb22-39.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1116/

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	7
CVE-ID	CVE-2022-35665 CVE-2022-35666 CVE-2022-35667 CVE-2022-35668 CVE-2022-35670 CVE-2022-35671 CVE-2022-35678
CWE-ID	CWE-416 CWE-20 CWE-787 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Adobe Acrobat Client/Desktop applications / Office applications Adobe Reader Client/Desktop applications / Office applications
Vendor	Adobe