CVE-2021-23215: Buffer Overflow
First published: Thu Apr 08 2021(Updated: )
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openexr | <=2.2.1-4.1+deb10u1 | 2.2.1-4.1+deb10u2 2.5.4-2+deb11u1 3.1.5-5 3.1.5-5.1 |
| Openexr Openexr | <3.0.1 | |
| Fedoraproject Fedora | =33 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| redhat/OpenEXR | <3.0.1 | 3.0.1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1947586
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29653
- https://github.com/AcademySoftwareFoundation/openexr/pull/901
- https://github.com/AcademySoftwareFoundation/openexr/commit/0e08c959c5459e2ffd3b81b654c3ce8b71a4b42c
- https://github.com/AcademySoftwareFoundation/openexr/commit/4212416433a230334cef0ac122cb8d722746035d
- https://github.com/AcademySoftwareFoundation/openexr/commit/de27156b77896aeef5b1c99edbca2bc4fa784b51
- https://security-tracker.debian.org/tracker/CVE-2021-23215
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BXFLD4ZAXKAIWO6ZPBCQEEDZB5IG676K/
- https://www.debian.org/security/2022/dsa-5299
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947587
- https://github.com/AcademySoftwareFoundation/openexr/pull/901/commits/c3e45956dd111482671fb8d88b40022248f783f7
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1952444
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXFLD4ZAXKAIWO6ZPBCQEEDZB5IG676K/
Frequently Asked Questions
What is CVE-2021-23215?
CVE-2021-23215 is an integer overflow leading to a heap-buffer overflow vulnerability found in the DwaCompressor of OpenEXR in versions before 3.0.1.
How severe is CVE-2021-23215?
CVE-2021-23215 has a severity rating of 5.5, which is considered medium.
Which software versions are affected by CVE-2021-23215?
OpenEXR versions before 3.0.1 are affected by CVE-2021-23215.
How can an attacker exploit CVE-2021-23215?
An attacker could exploit CVE-2021-23215 to crash an application compiled with OpenEXR.
Are there any patches or fixes available for CVE-2021-23215?
Yes, the OpenEXR version 3.0.1 contains the fix for CVE-2021-23215.
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