CVE-2020-28163
MEDIUMCVSS 6.5/10EPSS 0.79%
Last modified
CVE-2020-28163 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libdwarf Project | Libdwarf | < 2020-12-01 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2026000Issue Tracking, Permissions Required, Third Party Advisory
- https://www.prevanders.net/dwarfbug.html#DW202010-003Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2026000Issue Tracking, Permissions Required, Third Party Advisory
- https://www.prevanders.net/dwarfbug.html#DW202010-003Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28163?
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.
How severe is CVE-2020-28163?
CVE-2020-28163 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28163?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-28163?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST