openEuler 22.03 LTS update for OpenEXR

1) Heap-based buffer overflow

EUVDB-ID: #VU60052

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-45942

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Imf_3_1::LineCompositeTask::execute() method. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS

OpenEXR-libs: before 3.1.5-1

OpenEXR-devel: before 3.1.5-1

OpenEXR-debugsource: before 3.1.5-1

OpenEXR-debuginfo: before 3.1.5-1

OpenEXR: before 3.1.5-1

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• cpe:2.3:a:openeuler:openexr-libs:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:openexr-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:openexr-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:openexr-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:openexr:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1639

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.