CVE-2021-20300 — Integer Overflow or Wraparound in Openexr

CWE-190 — Integer Overflow or Wraparound5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.4%
top 39.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
OpenexrDebian OpenexrDebian Linux
Timeline
PublishedMar 4
Latest updateMar 5

Description

A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/openexr< openexr 2.5.4-1 (bookworm)
▶NVDopenexr/openexr< 2.5.4
▶Debianopenexr/openexr< 2.5.4-1+3
▶CVEListV5openexr/openexrFixed in v2.5.4 and beyond.

Also affects: Debian Linux 10.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-2w35-7f77-cj55: A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf↗2022-03-05
▶
OSV
CVE-2021-20300: A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf↗2022-03-04
▶

📋Vendor Advisories

2
Red Hat
OpenEXR: Integer-overflow in Imf_2_5::hufUncompress↗2021-02-15
▶
Debian
CVE-2021-20300: openexr - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfH...↗2021
▶