Vulnerability Details : 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.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-28163
- cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-28163
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28163
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-28163
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-28163
-
https://www.prevanders.net/dwarfbug.html#DW202010-003
Libdwarf VulnerabilitiesThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=2026000
Bug Access DeniedIssue Tracking;Permissions Required;Third Party Advisory
-
http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/
libdwarf - DWARF debugging information download | SourceForge.netProduct
-
https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3
modified: libdwarf/dwarf_print_lines.c · davea42/libdwarf-code@faf9940 · GitHubPatch
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