Denial of service in OpenEXR



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 OpenEXR
Client/Desktop applications / Multimedia software

Vendor OpenEXR

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU87181

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the Imf_3_3::realloc_deepdata() function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenEXR: 3.0.0 beta - 3.2.126

CPE2.3 External links

https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.3
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66676
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66612


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.



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