#VU27378 Out-of-bounds read in CUPS - CVE-2019-8842

Vulnerability identifier: #VU27378

Vulnerability 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

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
CUPS
Server applications / Other server solutions

Vendor: Apple Inc.

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
Install updates from vendor's website.

Vulnerable software versions

CUPS: 2.2.0 - 2.3.1

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External links
https://github.com/apple/cups/releases/tag/v2.3.3

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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.