CVE-2021-20303

A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.

CVSS v3.0 6.1 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.1^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1939151	Issue Tracking Vendor Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505	Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/831	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2022-03-04 10:15

Updated : 2022-12-12 18:24

NVD link : CVE-2021-20303

Mitre link : CVE-2021-20303

JSON object : View

CWE

CWE-787

Out-of-bounds Write

CWE-190

Integer Overflow or Wraparound

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Products Affected

debian

debian_linux

openexr

openexr

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