| Name | CVE-2017-15908 |
| Description | In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 880026 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| systemd (PTS) | jessie, jessie (lts) | 215-17+deb8u15 | fixed |
| stretch (security) | 232-25+deb9u14 | fixed |
| stretch (lts), stretch | 232-25+deb9u17 | fixed |
| buster, buster (lts) | 241-7~deb10u11 | fixed |
| buster (security) | 241-7~deb10u10 | fixed |
| bullseye | 247.3-7+deb11u5 | fixed |
| bullseye (security) | 247.3-7+deb11u6 | fixed |
| bookworm | 252.30-1~deb12u2 | fixed |
| sid, trixie | 256.7-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| systemd | source | wheezy | (not affected) | | | |
| systemd | source | jessie | (not affected) | | | |
| systemd | source | stretch | 232-25+deb9u2 | | | |
| systemd | source | (unstable) | 235-3 | | | 880026 |
Notes
[jessie] - systemd <not-affected> (Vulnerable code introduced later)
[wheezy] - systemd <not-affected> (Vulnerable code introduced later)
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351
https://github.com/systemd/systemd/pull/7184
Fix: https://github.com/systemd/systemd/commit/9f939335a07085aa9a9663efd1dca06ef6405d62