Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS05OWpnLXIzZjQtcnB4as4AA3ss

memory overflow vulnerability in OpenEXR-viewer

Just open this exr file through openexr-viewer.

( poc send by email )

This is windbg log file.

[ POC 2 ]
(8660.7e44): Access violation - code c0000005 (!!! second chance !!!)
openexr_viewer+0x27be4:
00007ff713ff7be4 c744880c0000803f mov dword ptr [rax+rcx*4+0Ch],3F800000h ds:0000020a3ac8000c=????????

Attempt to write the value 1.0 to the memory address 0x20A3AC8000C

[ POC 1 ]
(1404.9264): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
openexr_viewer+0x27be4:
00007ff713ff7be4 c744880c0000803f mov dword ptr [rax+rcx*4+0Ch],3F800000h ds:0000029cb371600c=????????

Attempt to write the value 1.0 to the memory address 0x29CB371600C

Credits
Team : ZeroPointer
이동하 ( Lee Dong Ha of ZeroPointer Lab )
정지민    ( Jeong Jimin of ZeroPointer Lab )
박우진    ( Park Woojin of ZeroPointer Lab )
전우진    ( Jeon Woojin of ZeroPointer Lab )

Permalink: https://github.com/advisories/GHSA-99jg-r3f4-rpxj
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS05OWpnLXIzZjQtcnB4as4AA3ss
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: 5 months ago
Updated: 5 months ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-99jg-r3f4-rpxj, CVE-2023-50245
References:

• https://github.com/afichet/openexr-viewer/security/advisories/GHSA-99jg-r3f4-rpxj
• https://nvd.nist.gov/vuln/detail/CVE-2023-50245
• https://github.com/afichet/openexr-viewer/commit/d0a7e85dfeb519951fb8a8d70f73f30d41cdd3d9
• https://github.com/advisories/GHSA-99jg-r3f4-rpxj

Repository: https://github.com/afichet/openexr-viewer
Blast Radius: 1.0

Affected Packages