| Name | CVE-2020-15704 |
| Description | The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ppp (PTS) | jessie, jessie (lts) | 2.4.6-3.1+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 2.4.7-1+4+deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 2.4.7-2+4.1+deb10u1 | fixed | |
| bullseye | 2.4.9-1+1 | fixed | |
| bookworm | 2.4.9-1+1.1 | fixed | |
| sid, trixie | 2.5.0-1+2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ppp | source | (unstable) | (not affected) |
- ppp <not-affected> (Ubuntu-specific issue, load_ppp_generic_if_needed.patch not used in Debian)