Fedora 35 update for openexr

Published: 2022-03-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-3933 CVE-2021-3941
CWE-ID	CWE-190 CWE-369
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system openexr Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU70427

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3933

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow when processing files. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Note, the vulnerability affects software installation on 32-bit systems.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 35

openexr: before 3.1.4-1.fc35

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-5cdfa7faa5

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.

2) Division by zero

EUVDB-ID: #VU58233

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3941

CWE-ID: CWE-369 - Divide By Zero