Vulnerability Monitor

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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.

Published

2021-03-26T17:15:13.063

Last Modified

2024-11-21T05:46:16.897

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	binutils	2.35.1	Yes
Application	netapp	cloud_backup	-	Yes
Application	netapp	ontap_select_deploy_administration_utility	-	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=1937784 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202208-30 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210521-0010/ Third Party Advisory ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=26931 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1937784 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-30 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210521-0010/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=26931 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)