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CVE-2021-20294

Public on 2021-04-29
Modified on 2021-09-15
Description

A flaw was found in binutils' readelf program. An attacker who is able to convince a victim using readelf to read a crafted file, could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

Severity
Medium
See what this means
CVSS v3 Base Score
7.0
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core gcc10-binutils 2021-09-08 23:35 ALAS2-2021-1702

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2021-20294 Mitre: CVE-2021-20294 FAQs regarding Amazon Linux ALAS/CVE Severity