VulnerabilityModified
CVE-2023-33657
A use-after-free vulnerability exists in NanoMQ 0.17.2.
HIGH 7.5EPSS 0.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.96% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- emqx/nanomq
- Source
- cve@mitre.org
References
- https://github.com/emqx/nanomqProduct
- https://github.com/emqx/nanomq/issues/1165#issue-1668648319Exploit, Issue Tracking
- https://github.com/emqx/nanomq/pull/1187Patch
- https://github.com/emqx/nanomqProduct
- https://github.com/emqx/nanomq/issues/1165#issue-1668648319Exploit, Issue Tracking
- https://github.com/emqx/nanomq/pull/1187Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.