CVE-2021-20284 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Binutils

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787 — Out-of-bounds Write6 documents6 sources

Severity

5.5MEDIUMNVD

EPSS

0.1%

top 74.21%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

GNU Binutils

Timeline

PublishedMar 26

Latest updateMay 24

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:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶Debiangnu/binutils< 2.37-3+2

▶CVEListV5gnu/binutilsBinutils 2.35.1

▶NVDgnu/binutils2.35.1

🔴Vulnerability Details

GHSA

GHSA-hm3m-qrrw-pfv7: A flaw was found in GNU Binutils 2↗2022-05-24

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OSV

CVE-2021-20284: A flaw was found in GNU Binutils 2↗2021-03-26

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CVEList

CVE-2021-20284: A flaw was found in GNU Binutils 2↗2021-03-26

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📋Vendor Advisories

Debian

CVE-2021-20284: binutils - A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer over...↗2021

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Red Hat

binutils: Heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c↗2020-11-22

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