CVE-2020-28163
Libdwarf Null Pointer Dereference Vulnerability
Description
libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname.
INFO
Published Date :
April 16, 2023, 12:15 a.m.
Last Modified :
April 26, 2023, 3:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-28163.
| URL | Resource |
|---|---|
| http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/ | Product |
| https://bugzilla.redhat.com/show_bug.cgi?id=2026000 | Issue Tracking Permissions Required Third Party Advisory |
| https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3 | Patch |
| https://www.prevanders.net/dwarfbug.html#DW202010-003 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28163 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28163 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 26, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/ No Types Assigned http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/ Product Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2026000 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2026000 Issue Tracking, Permissions Required, Third Party Advisory Changed Reference Type https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3 No Types Assigned https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3 Patch Changed Reference Type https://www.prevanders.net/dwarfbug.html#DW202010-003 No Types Assigned https://www.prevanders.net/dwarfbug.html#DW202010-003 Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* versions up to (excluding) 2020-12-01
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28163 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-28163
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.02%
score
0.56698
percentile