CVE-2021-20284
GNU Binutils Heap-Based Buffer Overflow Vulnerability
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.
INFO
Published Date :
March 26, 2021, 5:15 p.m.
Last Modified :
Feb. 12, 2023, 10:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-20284 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-20284
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.
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-2021-20284.
| URL | Resource |
|---|---|
| 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 |
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).
None
JavaScript
ChatGPT Root Cause Analysis Tool
ntu-scse se6005 nanyang-technological-university ntu scse
TypeScript JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20284 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20284 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]
Feb. 12, 2023
Action Type Old Value New Value Removed CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/errata/RHSA-2021:4364 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2021-20284 [No Types Assigned] Added CWE Red Hat, Inc. CWE-119 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Added CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Added Reference https://access.redhat.com/errata/RHSA-2021:4364 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2021-20284 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-119 Removed CWE Reason CWE-119 / More specific CWE option available -
Modified Analysis by [email protected]
Sep. 30, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202208-30 No Types Assigned https://security.gentoo.org/glsa/202208-30 Third Party Advisory Added CWE NIST CWE-787 -
CVE Modified by [email protected]
Aug. 15, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-30 [No Types Assigned] -
Modified Analysis by [email protected]
Jul. 22, 2022
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20210521-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20210521-0010/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 21, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210521-0010/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 31, 2021
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://bugzilla.redhat.com/show_bug.cgi?id=1937784 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1937784 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://sourceware.org/bugzilla/show_bug.cgi?id=26931 No Types Assigned https://sourceware.org/bugzilla/show_bug.cgi?id=26931 Exploit, Issue Tracking, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:gnu:binutils:2.35.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20284 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-2021-20284
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.01%
score
0.44675
percentile