PT-2023-11764 · Libdwarf · Libdwarf

Published 2022-08-11 · Updated 2023-07-05 · CVE-2020-27545

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 20201017

Description The issue is caused by an invalid pointer dereference via an invalid line table in a crafted object, resulting in a one-byte out-of-bounds read.

Recommendations For versions prior to 20201017, update to a version 20201017 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-763

Related Identifiers

AZL-33327

AZL-42093

CVE-2020-27545

OESA-2022-1819

OESA-2022-1820

SUSE-SU-2023:2784-1

Affected Products

Libdwarf

References · 25

• https://github.com/davea42/libdwarf-code/commit/95f634808c01f1c61bbec56ed2395af997f397ea · Patch
• https://ubuntu.com/security/CVE-2020-27545 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27545 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-27545 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2784-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-33327 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28163 · Security Note
• https://osv.dev/vulnerability/OESA-2022-1820 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1819 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-27545 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-27545 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27545 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-27545 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-42093 · Vendor Advisory
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1820 · Note