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CVE-2020-28163

Date: April 14, 2023

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.

Severity Score

6.5

Related Resources (8)

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-28163

Url: https://access.redhat.com/security/cve/CVE-2020-28163

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2026000

Url: https://security-tracker.debian.org/tracker/CVE-2020-28163

Url: https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3

Url: http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/

Url: https://www.prevanders.net/dwarfbug.html#DW202010-003

Url: https://www.mend.io/vulnerability-database/CVE-2020-28163

Severity Score

6.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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