#VU50402 Out-of-bounds read in CUPS - CVE-2020-10001

Vulnerability identifier: #VU50402

Vulnerability 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

Exploitation vector: 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 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
Install update from vendor's website.

Vulnerable software versions

CUPS: 2.0.0 - 2.3.3

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External links
https://security.archlinux.org/advisory/ASA-202102-13

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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 Internet.

Is there known malware, which exploits this vulnerability?

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