PT-2020-6910 · Gnu+3 · Gnu Binutils+3

Manh-Dung Nguyen · Published 2020-12-09 · Updated 2025-03-28 · CVE-2020-16599

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GNU Binutils versions 2.34 through 2.35

Description A Null Pointer Dereference issue exists in the Binary File Descriptor (BFD) library, as distributed in GNU Binutils, in the bfd elf get symbol version string function, which can cause a denial of service via a crafted file. This issue can be demonstrated in nm-new.

Recommendations For GNU Binutils version 2.34, update to a version later than 2.35 to resolve the issue. For GNU Binutils version 2.35, consider disabling the bfd elf get symbol version string function as a temporary workaround until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2023-1178

BDU:2023-05793

CVE-2020-16599

OPENSUSE-SU-2021:1475-1

OPENSUSE-SU-2021:3616-1

OPENSUSE-SU-2021_1475-1

OPENSUSE-SU-2021_3616-1

OPENSUSE-SU-2024:10651-1

SUSE-SU-2021:3593-1

SUSE-SU-2021:3616-1

SUSE-SU-2022:0934-1

Affected Products

Alt Linux

Gnu Binutils

Suse

Ubuntu

References · 171

• 🔥 https://sourceware.org/bugzilla/show_bug.cgi?id=25842 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2020-16599 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05793 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2021:3616-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10651-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:3616-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3593-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-16599 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1475-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0934-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16599 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-16599 · Security Note
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://suse.com/security/cve/CVE-2018-17359 · Note
• https://suse.com/security/cve/CVE-2020-35448 · Note