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[email protected]CVE-2021-20284

HistoryMar 26, 2021 - 5:15 p.m.

CVE-2021-20284

2021-03-2617:15:13

CWE-119

CWE-787

[email protected]

web.nvd.nist.gov

107

cve-2021-20284

gnu binutils

heap-based buffer overflow

elf.c

vulnerability

system availability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.3%

JSON

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.

Affected configurations

Vulners

NVD

Node

gnubinutilsRange≤2.35.1

VendorProductVersionCPE
gnubinutils*cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
gnu	binutils	*	cpe:2.3:a:gnu:binutils::::::::

CNA Affected

[
  {
    "product": "binutils",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Binutils 2.35.1"
      }
    ]
  }
]