CVE-2021-20284
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.
Overview
- CVE ID
- CVE-2021-20284
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2021-03-26T17:15:13
- Last Modified Date
- 2023-02-12T22:15:18
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gnu:binutils:2.35.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2021:4364 | |
| https://access.redhat.com/security/cve/CVE-2021-20284 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1937784 | Exploit Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/202208-30 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210521-0010/ | Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=26931 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20284 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20284 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:15:22 | Added to TrackCVE | |||
| 2022-12-06 00:31:20 | 2021-03-26T17:15Z | 2021-03-26T17:15:13 | CVE Published Date | updated |
| 2022-12-06 00:31:20 | 2022-09-30T13:18:13 | CVE Modified Date | updated | |
| 2022-12-06 00:31:20 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 00:31:25 | References | updated | ||
| 2023-02-02 23:11:49 | 2023-02-02T21:20:59 | CVE Modified Date | updated | |
| 2023-02-02 23:11:49 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:11:50 | References | updated | ||
| 2023-02-12 23:11:42 | 2023-02-12T22:15:18 | CVE Modified Date | updated | |
| 2023-02-12 23:11:43 | Weakness Enumeration | update |