SB2022060108 - Ubuntu update for cups
Published: June 1, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2019-8842)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within ippReadIO function. A remote attacker can pass specially crafted document to the service, trigger out-of-bounds read error and read contents of memory on the system or crash the service.
2) Out-of-bounds read (CVE-ID: CVE-2020-10001)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the ippReadIO() function in CUPS. A remote attacker can send specially crafted data to the affected application, trigger an out-of-bounds read error and read contents of memory on the system or crash the service.
3) Improper Authorization (CVE-ID: CVE-2022-26691)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to an error in implementation of "Local" authorization mechanism. A remote attacker can authenticate as to CUPS as root/admin without the 32-byte secret key and execute arbitrary code on the system.
Remediation
Install update from vendor's website.