PT-2023-11765 · Libdwarf · Libdwarf

Published 2022-08-11 · Updated 2023-04-26 · CVE-2020-28163

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libdwarf versions prior to 20201201

Description The issue allows a NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname in the dwarf print lines.c file.

Recommendations For versions prior to 20201201, update to a version 20201201 or later to resolve the issue.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-33328

AZL-42090

CVE-2020-28163

OESA-2022-1818

OESA-2022-1819

OESA-2022-1820

Affected Products

Libdwarf

References · 22

• https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-28163 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28163 · Security Note
• https://osv.dev/vulnerability/AZL-33328 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1818 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27545 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-28163 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28163 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-42090 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-28163 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1820 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1819 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-28163 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-28163 · Security Note
• https://t.me/cvenotify/48351 · Telegram Post