Ubuntu update for cups



Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-8842
CVE-2020-10001
CVE-2022-26691
CWE-ID CWE-125
CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

cups (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU27378

Risk: Low

CVSSv4.0: 0.6 [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]

CVE-ID: CVE-2019-8842

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 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.

Mitigation

Update the affected package cups to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

cups (Ubuntu package): before 2.2.7-1ubuntu2.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5454-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Out-of-bounds read

EUVDB-ID: #VU50402

Risk: Medium

CVSSv4.0: 6.7 [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]

CVE-ID: CVE-2020-10001

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 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.

Mitigation

Update the affected package cups to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

cups (Ubuntu package): before 2.2.7-1ubuntu2.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5454-1


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Improper Authorization

EUVDB-ID: #VU63747

Risk: High

CVSSv4.0: 6.3 [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]

CVE-ID: CVE-2022-26691

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

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.

Mitigation

Update the affected package cups to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

cups (Ubuntu package): before 2.2.7-1ubuntu2.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5454-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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