| Name | CVE-2015-3294 |
| Description | The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-225-1, DSA-3251-1 |
| Debian Bugs | 783459 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dnsmasq (PTS) | jessie, jessie (lts) | 2.72-3+deb8u7 | fixed |
| stretch (security) | 2.76-5+deb9u3 | fixed |
| stretch (lts), stretch | 2.76-5+deb9u4 | fixed |
| buster, buster (lts) | 2.80-1+deb10u3 | fixed |
| buster (security) | 2.80-1+deb10u1 | fixed |
| bullseye | 2.85-1 | fixed |
| bullseye (security) | 2.85-1+deb11u1 | fixed |
| bookworm | 2.89-1 | fixed |
| sid, trixie | 2.90-7 | fixed |
The information below is based on the following data on fixed versions.
Notes
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=ad4a8ff7d9097008d7623df8543df435bfddeac8