CVE-2021-3598: Buffer Overflow
First published: Fri Jun 11 2021(Updated: )
A heap-buffer overflow was found in the readChars 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. Upstream issue： <a href="https://github.com/AcademySoftwareFoundation/openexr/issues/1033">https://github.com/AcademySoftwareFoundation/openexr/issues/1033</a> Upstream patch: <a href="https://github.com/AcademySoftwareFoundation/openexr/pull/1037/commits/b0eeb890016a8c9dc0830f0b7be5a9c52cb829d4">https://github.com/AcademySoftwareFoundation/openexr/pull/1037/commits/b0eeb890016a8c9dc0830f0b7be5a9c52cb829d4</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://github.com/AcademySoftwareFoundation/openexr/issues/1033
- https://security-tracker.debian.org/tracker/CVE-2021-3598
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3598
- https://bugzilla.redhat.com/show_bug.cgi?id=1970987
- https://github.com/AcademySoftwareFoundation/openexr/commit/566f5241edd87445373885d5f7a904dc81e866c1
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990450
- https://github.com/AcademySoftwareFoundation/openexr/pull/1037
- https://github.com/AcademySoftwareFoundation/openexr/commit/e2667ae1a3ff8a9fce730e61129868b326abb3f5
- https://github.com/AcademySoftwareFoundation/openexr/commit/9f011ae9ce9b1ca03521ff76e7659d34ee830344
- 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://github.com/AcademySoftwareFoundation/openexr/pull/1037/commits/b0eeb890016a8c9dc0830f0b7be5a9c52cb829d4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970988
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1970989
Frequently Asked Questions
What is CVE-2021-3598?
CVE-2021-3598 is a flaw in OpenEXR's ImfDeepScanLineInputFile functionality in versions prior to 3.0.5 that could cause an out-of-bounds read.
What is the severity of CVE-2021-3598?
The severity of CVE-2021-3598 is high with a severity value of 5.5.
How can an attacker exploit CVE-2021-3598?
An attacker can exploit CVE-2021-3598 by submitting a crafted file to an application linked with OpenEXR.
Which software versions are affected by CVE-2021-3598?
Versions prior to 3.0.5 of OpenEXR are affected by CVE-2021-3598.
How can I fix CVE-2021-3598?
To fix CVE-2021-3598, update OpenEXR to version 3.0.5 or later.
- collector/debian-bugs
- alias/CVE-2021-3598
- collector/security-tracker-debian
- collector/nvd-index
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- agent/severity
- agent/tags
- agent/description
- agent/event
- package-manager/debian
- vendor/openexr
- canonical/openexr openexr
- vendor/redhat
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- version/redhat enterprise linux/8.0
- vendor/debian
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- version/debian debian linux/10.0
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