OpenEXR up to 2.5.1 IlmImf/ImfMisc.cpp getChunkOffsetTableSize chunkCount out-of-bounds write

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5.2$0-$5k0.00

A vulnerability was found in OpenEXR up to 2.5.1. It has been classified as critical. Affected is the function getChunkOffsetTableSize of the file IlmImf/ImfMisc.cpp. The manipulation of the argument chunkCount with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-787. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.

The weakness was disclosed 06/26/2020. This vulnerability is traded as CVE-2020-15306 since 06/26/2020. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Upgrading to version 2.5.2 eliminates this vulnerability.

The entries 157271 and 157270 are pretty similar.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2infoedit

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-787
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenEXR 2.5.2

Timelineinfoedit

06/26/2020 Advisory disclosed
06/26/2020 +0 days VulDB entry created
06/26/2020 +0 days CVE assigned
06/26/2020 +0 days VulDB last update

Sourcesinfoedit

Status: Not defined

CVE: CVE-2020-15306 (🔒)
See also: 🔒

Entryinfoedit

Created: 06/26/2020 12:38 PM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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