Buffer overflow in Libmodbus
CVE-2022-0367
A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Libmodbus
- Debian Debian_linux — versions 10.0
- Fedoraproject Extra_packages_for_enterprise_linux — versions 7.0
- Fedoraproject Fedora — versions 35
- N/a Libmodbus — versions Fixed in v3.1.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-0367?
- CVE-2022-0367 is a high-severity vulnerability in Libmodbus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2022-08-29.
- How severe is CVE-2022-0367?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-0367 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.