| Name | CVE-2011-2500 |
| Description | The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records. |
| 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 | 633155 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nfs-utils (PTS) | jessie, jessie (lts) | 1:1.2.8-9+deb8u1 | fixed |
| stretch | 1:1.3.4-2.1+deb9u1 | fixed |
| buster | 1:1.3.4-2.5+deb10u1 | fixed |
| bullseye | 1:1.3.4-6+deb11u1 | fixed |
| bookworm | 1:2.6.2-4 | fixed |
| sid, trixie | 1:2.8.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nfs-utils | source | lenny | (not affected) | | | |
| nfs-utils | source | squeeze | (not affected) | | | |
| nfs-utils | source | (unstable) | 1:1.2.4-1 | | | 633155 |
Notes
[lenny] - nfs-utils <not-affected> (Introduced in 1.2.3)
[squeeze] - nfs-utils <not-affected> (Introduced in 1.2.3)