Bug#334590: openssh-server: sshd segmentation fault (1:4.2p1-5 amd64)

[Valerio Aimale <valerio.aimale@comcast.net>]

Package: openssh-server
Version: 1:4.2p1-5
Severity: critical
Justification: breaks the whole system


This might have already been reported, but openssh-server 1:4.2p1-5 segfaults on amd64 architectures

[...]
Oct 18 13:22:34 localhost kernel: sshd[11242]: segfault at
000000038eb15e4c rip 00002aaaaaf55817 rsp 00007fffffee2418 error 4
Oct 18 13:22:38 localhost kernel: sshd[11244]: segfault at
00000003597d5e4c rip 00002aaaaaf55817 rsp 00007fffff9a1158 error 4
Oct 18 13:22:43 localhost kernel: sshd[11245]: segfault at
000000001a015e4c rip 00002aaaaaf55817 rsp 00007fffff8aca88 error 4
Oct 18 13:24:30 localhost kernel: sshd[11247]: segfault at
00000001cd495e4c rip 00002aaaaaf55817 rsp 00007ffffff72688 error 4
Oct 18 13:24:40 localhost kernel: sshd[11248]: segfault at
000000007bdd5e4c rip 00002aaaaaf55817 rsp 00007fffffbfc6d8 error 4
Oct 18 13:25:41 localhost kernel: sshd[11250]: segfault at
00000000669d5e4c rip 00002aaaaaf55817 rsp 00007fffff985a18 error 4
[...]

It renders remote servers impossible to access after an upgrade of
thesystem. 

Best,

Valerio Aimale

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12-1-amd64-k8-smp
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages openssh-server depends on:
ii  adduser                       3.67.2     Add and remove users and groups
ii  debconf [debconf-2.0]         1.4.58     Debian configuration management sy
ii  dpkg                          1.13.11    package maintenance system for Deb
ii  libc6                         2.3.5-7    GNU C Library: Shared libraries an
ii  libcomerr2                    1.38-2     common error description library
ii  libkrb53                      1.3.6-5    MIT Kerberos runtime libraries
ii  libpam-modules                0.79-3     Pluggable Authentication Modules f
ii  libpam-runtime                0.79-3     Runtime support for the PAM librar
ii  libpam0g                      0.79-3     Pluggable Authentication Modules l
ii  libselinux1                   1.26-1     SELinux shared libraries
ii  libssl0.9.7                   0.9.7g-5   SSL shared libraries
ii  libwrap0                      7.6.dbs-8  Wietse Venema's TCP wrappers libra
ii  openssh-client                1:4.2p1-4  Secure shell client, an rlogin/rsh
ii  zlib1g                        1:1.2.3-6  compression library - runtime

openssh-server recommends no packages.

-- debconf information:
  ssh/insecure_rshd:
  ssh/insecure_telnetd:
  ssh/new_config: true
* ssh/use_old_init_script: true
  ssh/encrypted_host_key_but_no_keygen:
* ssh/disable_cr_auth: false