OpenEXR up to 2.4.0 Huffman Uncompression ImfFastHuf.cpp FastHufDecoder::refill out-of-bounds read

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CVSS Meta Temp Score
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A vulnerability was found in OpenEXR up to 2.4.0. It has been rated as problematic. This issue affects the function FastHufDecoder::refill of the file ImfFastHuf.cpp of the component Huffman Uncompression. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.cpp.

The weakness was published 04/14/2020. The identification of this vulnerability is CVE-2020-11761 since 04/14/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 2.4.1 eliminates this vulnerability.

Similar entries are available at 153129, 153128, 153127 and 153126.

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CPE 2.3infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenEXR 2.4.1

Timelineinfoedit

04/14/2020 Advisory disclosed
04/14/2020 +0 days CVE assigned
04/15/2020 +1 days VulDB entry created
10/09/2020 +177 days VulDB last update

Sourcesinfoedit

Status: Not defined
Confirmation: 🔒

CVE: CVE-2020-11761 (🔒)
See also: 🔒

Entryinfoedit

Created: 04/15/2020 08:08 AM
Updated: 10/09/2020 04:15 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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