Vulnerability · Published Apr 15, 2023 · Assigned by mitre
CVE-2020-27545
Medium 6.5
In plain English
A medium-severity security flaw in the dwarfutils package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-27545 |
| Debian:13 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-27545 |
| Debian:14 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-27545 |
Affected products (as reported)
Weakness: CWE-763 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://sourceforge.net/projects/libdwarf/
- https://github.com/davea42/libdwarf-code/commit/95f634808c01f1c61bbec56ed2395af997f397ea
- https://www.prevanders.net/dwarfbug.html#DW202010-001
- http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/
- https://bugzilla.redhat.com/show_bug.cgi?id=2025694