Vulnerability Details : CVE-2021-20284
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-20284
- cpe:2.3:a:gnu:binutils:2.35.1:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20284
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20284
| 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-2021-20284
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: secalert@redhat.com (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Secondary)
References for CVE-2021-20284
-
https://security.netapp.com/advisory/ntap-20210521-0010/
CVE-2021-20284 GNU Binutils Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://sourceware.org/bugzilla/show_bug.cgi?id=26931
26931 – [nm] crash with ASAN in display_rel_fileExploit;Issue Tracking;Third Party Advisory
-
https://security.gentoo.org/glsa/202208-30
GNU Binutils: Multiple Vulnerabilities (GLSA 202208-30) — Gentoo securityThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1937784
1937784 – (CVE-2021-20284) CVE-2021-20284 binutils: Heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.cExploit;Issue Tracking;Third Party Advisory
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