| Name | CVE-2018-1046 |
| Description | pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used. |
| 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 | 898255 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns (PTS) | jessie, jessie (lts) | 3.4.1-4+deb8u10 | fixed |
| stretch (security), stretch (lts), stretch | 4.0.3-1+deb9u5 | fixed |
| buster | 4.1.6-3+deb10u1 | fixed |
| bullseye | 4.4.1-1 | fixed |
| bookworm | 4.7.3-2 | fixed |
| sid, trixie | 4.9.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pdns | source | wheezy | (not affected) | | | |
| pdns | source | jessie | (not affected) | | | |
| pdns | source | stretch | 4.0.3-1+deb9u3 | | | |
| pdns | source | (unstable) | 4.1.2-1 | | | 898255 |
Notes
[jessie] - pdns <not-affected> (Vulnerable code not present)
[wheezy] - pdns <not-affected> (Vulnerable code not present)
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-02.html
Fixed by https://github.com/PowerDNS/pdns/commit/f9c57c98da1b1007a51680629b667d57d9b702b8