CVE-2021-3605: Buffer Overflow
First published: Fri Jun 11 2021(Updated: )
A heap-buffer overflow was found in the rleUncompress function of OpenEXR in versions before 3.0.3. An attacker could use this flaw to execute arbitrary code with the permissions of the user running the application compiled against OpenEXR. References： <a href="https://github.com/AcademySoftwareFoundation/openexr/pull/1036">https://github.com/AcademySoftwareFoundation/openexr/pull/1036</a>
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 | <3.0.5 | |
| Redhat Enterprise Linux | =8.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| redhat/OpenEXR | <3.0.5 | 3.0.5 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-3605
- https://security-tracker.debian.org/tracker/CVE-2020-11760
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3605
- https://github.com/AcademySoftwareFoundation/openexr/commit/3204008c0bd4c8d7599a052b304d1b44c4511283
- https://bugzilla.redhat.com/show_bug.cgi?id=1970991
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990899
- https://github.com/AcademySoftwareFoundation/openexr/pull/1036
- https://github.com/AcademySoftwareFoundation/openexr/commit/25259a84827234a283f6f9db72978198c7a3f268
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://security.gentoo.org/glsa/202210-31
- https://www.debian.org/security/2022/dsa-5299
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970993
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970994
- https://access.redhat.com/security/cve/CVE-2020-11760
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970991#c6
- https://access.redhat.com/security/cve/CVE-2021-3605
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1987
- https://github.com/AcademySoftwareFoundation/openexr/commit/37750013830def57f19f3c3b7faaa9fc1dae81b3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970991#c8
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970991#c10
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1829006
Frequently Asked Questions
What is CVE-2021-3605?
CVE-2021-3605 is a vulnerability in OpenEXR's rleUncompress functionality that could cause an out-of-bounds read.
What is the severity of CVE-2021-3605?
The severity of CVE-2021-3605 is high with a severity value of 5.5.
Which software are affected by CVE-2021-3605?
OpenEXR versions prior to 3.0.5, Redhat Enterprise Linux 8.0, Debian Linux 10.0 and 11.0 are affected by CVE-2021-3605.
How can an attacker exploit CVE-2021-3605?
An attacker can exploit CVE-2021-3605 by submitting a crafted file to an application linked with OpenEXR.
What is the greatest risk of CVE-2021-3605?
The greatest risk from CVE-2021-3605 is to application availability.
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