| Name | CVE-2013-1841 |
| Description | Net-Server, when the reverse-lookups option is enabled, does not check if the hostname resolves to the source IP address, which might allow remote attackers to bypass ACL restrictions via the hostname parameter. |
| 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 | 702914 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libnet-server-perl (PTS) | buster | 2.009-1 | vulnerable |
| bullseye | 2.009-2 | vulnerable |
| bookworm | 2.013-2 | fixed |
| sid, trixie | 2.014-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - libnet-server-perl <ignored> (Minor issue)
[buster] - libnet-server-perl <ignored> (Minor issue)
[stretch] - libnet-server-perl <ignored> (Minor issue)
[jessie] - libnet-server-perl <ignored> (Minor issue)
[wheezy] - libnet-server-perl <ignored> (Minor issue)
[squeeze] - libnet-server-perl <no-dsa> (Minor issue)
https://rt.cpan.org/Ticket/Display.html?id=83909
2.011 upstream adds 'double_reverse_lookups' configuration and code as fix
for the issue, but does not enable the checks by default. They need to be
enabled by consumers by setting 'reverse_lookups=double' or double_reverse_lookups=1'.