Linux Security
Linux Security
Linux Security

Debian: proftpd running as root, /var symlink removal

Date 06 Mar 2001
2350
Posted By LinuxSecurity Advisories
There are two problems with the version of proftpd that is in Debian 2.2 (potato).

------------------------------------------------------------------------
Debian Security Advisory DSA-032-1                   This email address is being protected from spambots. You need JavaScript enabled to view it. 
https://www.debian.org/security/                         Wichert Akkerman
March  7, 2001
------------------------------------------------------------------------


Package: proftpd
Vulnerability: proftpd running as root, /var symlink removal
Debian-specific: yes

The following problems have been reported for the version of proftpd in
Debian 2.2 (potato):

1. There is a configuration error in the postinst script, when the user
enters 'yes', when asked if anonymous access should be enabled.
The postinst script wrongly leaves the 'run as uid/gid root' configuration
option in /etc/proftpd.conf, and adds a 'run as uid/gid nobody' option that
has no effect.

2. There is a bug that comes up when /var is a symlink, and proftpd is
restarted. When stopping proftpd, the /var symlink is removed; when it's
started again a file named /var is created.

The above problems have been corrected in proftpd-1.2.0pre10-2.0potato1.
We recommend you upgrade your proftpd package immediately.

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 2.2 alias potato
-------------------------------------

  Potato was released for the alpha, arm, i386, m68k, powerpc and sparc
  architectures.

  Source archives:
     https://security.debian.org/dists/stable/updates/main/source/proftpd_1.2.0pre10-2.0potato1.diff.gz
      MD5 checksum: d75281d5332b005efd94ad0ff5ac3f63
     https://security.debian.org/dists/stable/updates/main/source/proftpd_1.2.0pre10-2.0potato1.dsc
      MD5 checksum: 8ff4de189c0b986ab4496ef7ae6467f4
     https://security.debian.org/dists/stable/updates/main/source/proftpd_1.2.0pre10.orig.tar.gz
      MD5 checksum: a1c25e59bb4281e2f83000796dc52388

  Alpha architecture:
    
https://security.debian.org/dists/stable/updates/main/binary-alpha/proftpd_1.2.0pre10-2.0potato1_alpha.deb
      MD5 checksum: 2e3d924a93692fc546f76fadf6e35cf7

  ARM architecture:
     https://security.debian.org/dists/stable/updates/main/binary-arm/proftpd_1.2.0pre10-2.0potato1_arm.deb
      MD5 checksum: 2e2e9a921f45c6c73f0c0a1ba2c7fb13

  Intel ia32 architecture:
    
https://security.debian.org/dists/stable/updates/main/binary-i386/proftpd_1.2.0pre10-2.0potato1_i386.deb
      MD5 checksum: 9c0ff3c87e4802316081775fcf80c5d2

  Motorola 680x0 architecture:
    
https://security.debian.org/dists/stable/updates/main/binary-m68k/proftpd_1.2.0pre10-2.0potato1_m68k.deb
      MD5 checksum: 615709bf8777da7939217cf316c529b7

  PowerPC architecture:
    
https://security.debian.org/dists/stable/updates/main/binary-powerpc/proftpd_1.2.0pre10-2.0potato1_powerpc.d
eb
      MD5 checksum: 5a384113e857ba4a0b6bdcfce62ca880

  Sun Sparc architecture:
    
https://security.debian.org/dists/stable/updates/main/binary-sparc/proftpd_1.2.0pre10-2.0potato1_sparc.deb
      MD5 checksum: c99f335bca49f98867b1a9c473c97edc

  These files will be moved into
   ftp://ftp.debian.org/debian/dists/stable/*/binary-$arch/ soon.

For not yet released architectures please refer to the appropriate
directory  ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .

--
----------------------------------------------------------------------------
apt-get: deb  https://security.debian.org/ stable/updates main
dpkg-ftp:  ftp://security.debian.org/debian-security dists/stable/updates/main
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