CVE-2020-28163 — NULL Pointer Dereference in Project Libdwarf

CWE-476 — NULL Pointer Dereference7 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 69.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Libdwarf Project Libdwarf
Timeline
PublishedApr 16

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDlibdwarf_project/libdwarf< 2020-12-01

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
CVE-2020-28163: libdwarf before 20201201 allows a dwarf_print_lines↗2023-04-16
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GHSA
GHSA-7732-hqr2-cr7r: libdwarf before 20201201 allows a dwarf_print_lines↗2023-04-16
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CVEList
CVE-2020-28163: libdwarf before 20201201 allows a dwarf_print_lines↗2023-04-15
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📋Vendor Advisories

3
Microsoft
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.↗2023-04-11
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Red Hat
libdwarf: NULL pointer dereference due to corrupt line table header↗2021-11-23
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Debian
CVE-2020-28163: dwarfutils - libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference a...↗2020
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CVE-2020-28163 — NULL Pointer Dereference | cvebase