Integer Overflow or Wraparound

Affecting openexr package, versions <2.2.1-4.1+deb10u1

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Overview

An issue was discovered in OpenEXR before 2.4.1. Because of integer overflows in CompositeDeepScanLine::Data::handleDeepFrameBuffer and readSampleCountForLineBlock, an attacker can write to an out-of-bounds pointer.

References

CVSS Score

5.5
medium severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVE
CVE-2020-11759
CWE
CWE-190
Snyk ID
SNYK-DEBIAN10-OPENEXR-567668
Disclosed
14 Apr, 2020
Published
27 Apr, 2020