CVE-2018-11116
OpenWrt mishandles access control in /etc/config/rpcd and the /usr/share/rpcd/acl.d files, which allows remote authenticated users to call arbitrary methods (i.e., achieve ubus access over HTTP) that were only supposed to be accessible to a specific…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OpenWrt mishandles access control in /etc/config/rpcd and the /usr/share/rpcd/acl.d files, which allows remote authenticated users to call arbitrary methods (i.e., achieve ubus access over HTTP) that were only supposed to be accessible to a specific user, as demonstrated by the file, log, and service namespaces, potentially leading to remote Information Disclosure or Code Execution. NOTE: The developer disputes this as a vulnerability, indicating that rpcd functions appropriately
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.44% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- openwrt/openwrt
- Source
- cve@mitre.org
References
- http://blog.hac425.top/2018/05/16/openwrt_rpcd_acl_fail.htmlThird Party Advisory
- https://forum.openwrt.org/t/rpcd-vulnerability-reported-on-vultdb/16497/3
- http://blog.hac425.top/2018/05/16/openwrt_rpcd_acl_fail.htmlThird Party Advisory
- https://forum.openwrt.org/t/rpcd-vulnerability-reported-on-vultdb/16497/3
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.