CVE-2019-6136 — An issue has been found in libIEC61850 v1

An issue has been found in libIEC61850 v1.3.1. Ethernet_setProtocolFilter in hal/ethernet/linux/ethernet_linux.c has a SEGV, as demonstrated by sv_subscriber_example.c and sv_subscriber.c.

01What is this vulnerability?

An issue has been found in libIEC61850 v1.3.1. Ethernet_setProtocolFilter in hal/ethernet/linux/ethernet_linux.c has a SEGV, as demonstrated by sv_subscriber_example.c and sv_subscriber.c.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-01-11T17:00:00.000Z
• Last modified: 2024-08-04T20:16:23.668Z

09References

• github.com — https://github.com/mz-automation/libiec61850/issues/105