Medium severity · published Mar 26, 2021
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…
5.5
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Binutils · Gnu
2.35.1 · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
OS
Ontap Select Deploy Administration Utility · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20284
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20284
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1937784
Third Party Advisory
https://security.gentoo.org/glsa/202208-30
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210521-0010/
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=26931
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