CVE-2020-11068 — In LoRaMac-node before 4

In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being checked. This has been fixed in 4.4.4.

01What is this vulnerability?

In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being checked. This has been fixed in 4.4.4.

02Affected products

Vendor	Product	Versions
LoRa	LoRaMac	node — < 4.4.4

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: 2020-06-23T16:40:12.000Z
• Last modified: 2024-08-04T11:21:14.647Z

09References

• github.com — https://github.com/Lora-net/LoRaMac-node/security/advisories/GHSA-559p-6xgm-fpv9
• github.com — https://github.com/Lora-net/LoRaMac-node/commit/e3063a91daa7ad8a687223efa63079f0…