CVE-2020-35493

medium

Description

A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1911437

https://lists.fedoraproject.org/archives/list/[email protected]/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/

https://security.netapp.com/advisory/ntap-20210212-0007/

https://security.gentoo.org/glsa/202107-24

Details

Source: MITRE

Published: 2021-01-04

Updated: 2022-09-02

Type: CWE-20

Risk Information

CVSS v2

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM