Bug 1939142 (CVE-2021-3474) - CVE-2021-3474 OpenEXR: Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDecoder
Summary: CVE-2021-3474 OpenEXR: Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDec...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2021-3474
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1939172 1944345 1944346 1944347 1944348
Blocks: 1929339 1944366
TreeView+ depends on / blocked
 
Reported: 2021-03-15 17:25 UTC by Michael Kaplan
Modified: 2022-04-17 21:12 UTC (History)
6 users (show)

Fixed In Version: OpenEXR 3.0.0-beta, OpenEXR 2.4.3
Doc Type: If docs needed, set a value
Doc Text:
There's a flaw in OpenEXR. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.
Clone Of:
Environment:
Last Closed: 2021-11-02 23:18:07 UTC
Embargoed:

Attachments (Terms of Use)

Description Michael Kaplan 2021-03-15 17:25:28 UTC 
Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDecoder
Comment 1 Michael Kaplan 2021-03-15 17:25:32 UTC 
External References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24831
Comment 2 Michael Kaplan 2021-03-15 17:40:29 UTC 
Created OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1939172]
Comment 6 Todd Cullum 2021-03-31 00:12:29 UTC 
Upstream patch commit: https://github.com/AcademySoftwareFoundation/openexr/commit/c3ed4a1db1f39bf4524a644cb2af81dc8cfab33f
Comment 7 Cary Phillips 2021-04-23 01:03:13 UTC 
This is fixed in OpenEXR release v2.5.4, v2.5.5, and v3.0.1+
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