SB2022081007 - Multiple vulnerabilities in Adobe Acrobat and Reader
Published: August 10, 2022 Updated: August 19, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-35665)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
2) Improper input validation (CVE-ID: CVE-2022-35666)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
3) Out-of-bounds write (CVE-ID: CVE-2022-35667)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
4) Improper input validation (CVE-ID: CVE-2022-35668)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.5) Use-after-free (CVE-ID: CVE-2022-35670)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.6) Out-of-bounds read (CVE-ID: CVE-2022-35671)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.
7) Out-of-bounds read (CVE-ID: CVE-2022-35678)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.
Remediation
Install update from vendor's website.