CVE-2021-20296
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Overview
- CVE ID
- CVE-2021-20296
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-01T14:15:13
- Last Modified Date
- 2022-12-13T01:56:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* | 1 | OR | 2.4.3 | |
| cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* | 1 | OR | 2.5.0 | 2.5.4 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- LOW
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 | Issue Tracking Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939141 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | |
| https://security.gentoo.org/glsa/202107-27 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20296 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20296 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:07:37 | Added to TrackCVE | |||
| 2022-12-06 00:49:38 | 2021-04-01T14:15Z | 2021-04-01T14:15:13 | CVE Published Date | updated |
| 2022-12-06 00:49:38 | 2022-10-07T02:54:24 | CVE Modified Date | updated | |
| 2022-12-06 00:49:38 | Analyzed | Vulnerability Status | updated | |
| 2022-12-12 03:12:43 | 2022-12-12T02:15:09 | CVE Modified Date | updated | |
| 2022-12-12 03:12:43 | Analyzed | Modified | Vulnerability Status | updated |
| 2022-12-12 03:12:45 | References | updated | ||
| 2022-12-12 18:13:18 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2022-12-13 02:11:57 | 2022-12-13T01:56:40 | CVE Modified Date | updated | |
| 2022-12-13 02:11:57 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |