Vulnerability Details : CVE-2021-45942
Potential exploit
OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-45942
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45942
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45942
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-45942
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45942
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/
[SECURITY] Fedora 36 Update: mingw-openexr-3.1.4-1.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022
openexr/CHANGES.md at v3.1.4 · AcademySoftwareFoundation/openexr · GitHubRelease Notes;Third Party Advisory
-
https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
enforce xSampling/ySampling==1 in CompositeDeepScanLine (#1209) · AcademySoftwareFoundation/openexr@11cad77 · GitHubPatch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/
[SECURITY] Fedora 35 Update: mingw-openexr-3.1.4-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
41416 - openexr:openexr_exrcheck_fuzzer: Heap-buffer-overflow in Imf_3_1::LineCompositeTask::execute - oss-fuzzExploit;Issue Tracking;Mailing List;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
[SECURITY] [DLA 3236-1] openexr security updateMailing List;Third Party Advisory
-
https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4
Release v3.1.4 · AcademySoftwareFoundation/openexr · GitHubRelease Notes;Third Party Advisory
-
https://github.com/AcademySoftwareFoundation/openexr/pull/1209
enforce xSampling/ySampling==1 in CompositeDeepScanLine by peterhillman · Pull Request #1209 · AcademySoftwareFoundation/openexr · GitHubExploit;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/
[SECURITY] Fedora 34 Update: mingw-openexr-2.5.5-6.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
DeepScanlineInputFile now uses chunk size test from DeepTiledInputFil… · AcademySoftwareFoundation/openexr@db217f2 · GitHubPatch;Third Party Advisory
-
https://security.gentoo.org/glsa/202210-31
OpenEXR: Multiple Vulnerabilities (GLSA 202210-31) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2022/dsa-5299
Debian -- Security Information -- DSA-5299-1 openexrThird Party Advisory
-
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml
oss-fuzz-vulns/OSV-2021-1627.yaml at main · google/oss-fuzz-vulns · GitHubThird Party Advisory
Jump to