5.5
MEDIUM
CVE-2021-45942
"OpenEXR Buffer Overflow Vulnerability"
Description

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.

INFO

Published Date :

Jan. 1, 2022, 1:15 a.m.

Last Modified :

Nov. 7, 2023, 3:39 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-45942 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Debian debian_linux
1 Openexr openexr
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-45942.

URL Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416 Exploit Issue Tracking Mailing List Patch Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022 Release Notes Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e Patch Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0 Patch Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/1209 Exploit Patch Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4 Release Notes Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/
https://security.gentoo.org/glsa/202210-31 Third Party Advisory
https://www.debian.org/security/2022/dsa-5299 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-45942 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45942 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/
  • Modified Analysis by [email protected]

    Feb. 03, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2022/dsa-5299 No Types Assigned https://www.debian.org/security/2022/dsa-5299 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 12, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 11, 2022

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2022/dsa-5299 [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 07, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202210-31 No Types Assigned https://security.gentoo.org/glsa/202210-31 Third Party Advisory
  • CVE Modified by [email protected]

    Oct. 31, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202210-31 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 05, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 05, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 05, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 09, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4 Release Notes, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions from (including) 3.1.0 up to (including) 3.1.3 OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions from (including) 3.1.0 up to (excluding) 3.1.4
  • CVE Modified by [email protected]

    Jan. 27, 2022

    Action Type Old Value New Value
    Changed Description OpenEXR 3.1.0 through 3.1.3 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. 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.
    Added Reference https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4 [No Types Assigned]
    Added Reference https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 11, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416 Exploit, Issue Tracking, Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e Patch, Third Party Advisory
    Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0 Patch, Third Party Advisory
    Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/pull/1209 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/pull/1209 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions from (including) 3.1.0 up to (including) 3.1.3
  • CVE Modified by [email protected]

    Jan. 04, 2022

    Action Type Old Value New Value
    Changed Description OpenEXR 3.1.0 through 3.1.3 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). OpenEXR 3.1.0 through 3.1.3 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.
    Added Reference https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e [No Types Assigned]
    Added Reference https://github.com/AcademySoftwareFoundation/openexr/pull/1209 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-45942 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-45942 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.01%

score

0.42076

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability