Description
An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | opennds | 10.2.0+dfsg-1 | — |
| Debian 12 | opennds | No fix yet | — |
References
- https://github.com/openNDS/openNDS/releases/tag/v10.1.3
- https://github.com/openNDS/openNDS/commit/31dbf4aa069c5bb39a7926d86036ce3b04312b51
- https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs
- https://github.com/openwrt/routing/commit/ad787a920ccb9dacf5b01d52bce36ac14a5ecd89