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Bug 571446 - net-analyzer/dsniff broken broadcast for arpspoof
Summary: net-analyzer/dsniff broken broadcast for arpspoof
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Netmon project
Keywords: PATCH
Depends on:
Reported: 2016-01-10 08:08 UTC by Lecia Curran
Modified: 2021-12-07 06:44 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Restore broadcast functionality (arpspoof_fix.patch,1.46 KB, patch)
2016-01-10 08:08 UTC, Lecia Curran
Details | Diff

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Description Lecia Curran 2016-01-10 08:08:27 UTC
Created attachment 422438 [details, diff]
Restore broadcast functionality

Debian patch for arpspoof: 0002-arpspoof-allow-use-of-of-multiple-targets.patch
from dsniff_2.4b1+debian-22.1.debian.tar.gz introduces regression in arpspoof,
by blocking sending broadcast responses. 

Relevant snippet from 0002-arpspoof-allow-use-of-of-multiple-targets.patch:

-               arp_send(l, ARPOP_REPLY, NULL, spoof_ip,
-                        (target_ip ? (u_int8_t *)&target_mac : NULL),
-                        target_ip);
+               while(target->ip) {
+                       arp_send(l, ARPOP_REPLY, NULL, spoof.ip,
+                               (target->ip ? (u_int8_t *)&target->mac : NULL),
+                               target->ip);

so if there are no targets(explicit list of hosts for arp poisoning) internal arp_send is never called for sending broadcast response.

The attached patch can be used to restore this functionality.
Comment 1 Mikle Kolyada archtester Gentoo Infrastructure gentoo-dev Security 2019-05-02 18:54:05 UTC
Comment 2 Larry the Git Cow gentoo-dev 2021-12-07 06:44:51 UTC
The bug has been closed via the following commit(s):

commit ffd19f440039ff1c2b4e4e1234c1f9c89a7ae806
Author:     Sam James <>
AuthorDate: 2021-12-07 02:56:16 +0000
Commit:     Sam James <>
CommitDate: 2021-12-07 06:44:25 +0000

    net-analyzer/dsniff: initial import (revival)
    Removed in 1aa904188ff115f14f6d5fac4e0483152a08ed37. Now
    using (substantial) Debian patchset.
    Signed-off-by: Sam James <>

 net-analyzer/dsniff/Manifest                       |   2 +
 net-analyzer/dsniff/dsniff-2.4_beta1_p30.ebuild    |  73 ++++++++++++++
 .../files/dsniff-2.4_beta1_p30-httppostfix.patch   |  21 +++++
 .../dsniff-2.4_beta1_p30-libdir-configure.patch    | 105 +++++++++++++++++++++
 .../files/dsniff-2.4_beta1_p30-respect-AR.patch    |  22 +++++
 net-analyzer/dsniff/metadata.xml                   |  17 ++++
 6 files changed, 240 insertions(+)