Vulnerability Monitor

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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.

Published

2022-03-04T18:15:07.993

Last Modified

2024-11-21T05:46:19.017

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
CWE-190
Type: Secondary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openexr	openexr	< 2.5.4	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1939151 Issue Tracking, Vendor Advisory ([email protected])
https://github.com/AcademySoftwareFoundation/openexr/pull/831 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1939151 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/AcademySoftwareFoundation/openexr/pull/831 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)