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Sicherheit: Unsichere Behandlung von crontab-Dateien in Vixie Cron
Aktuelle Meldungen Distributionen
Name: Unsichere Behandlung von crontab-Dateien in Vixie Cron
ID: DSA-024-1
Distribution: Debian
Plattformen: Debian potato
Datum: So, 28. Januar 2001, 12:00
Referenzen: Keine Angabe
Applikationen: vixie-cron

Originalnachricht

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Debian Security Advisory DSA-024-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
January 27, 2001
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Package : cron
Vulnerability : local insecure crontab handling
Debian-specific: no

The FreeBSD team has found a bug in the way new crontabs were handled
which allowed malicious users to display arbitrary crontab files on
the local system. This only affects valid crontab files so can't be
used to get access to /etc/shadow or something. crontab files are not
especially secure anyway, as there are other ways they can leak. No
passwords or similar sensitive data should be in there.

We recommend you upgrade your cron packages.

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:

cron_3.0pl1.orig.tar.gz
MD5 checksum: 4c64aece846f8483daf440f8e3dd210f
cron_3.0pl1-57.2.diff.gz
MD5 checksum: c67b27e4ebf1c87abd244dea3a8765d4
cron_3.0pl1-57.2.dsc
MD5 checksum: 5a3fcbbc881d50894ecbc8222bf22238

Intel ia32 architecture:

cron_3.0pl1-57.2_i386.deb
MD5 checksum: 4abf3f6a66449b22cd66dd89390f3b92

Motorola 680x0 architecture:

cron_3.0pl1-57.2_m68k.deb
MD5 checksum: 75836da00014f8a7cd19a9bf15a35324

Sun Sparc architecture:

cron_3.0pl1-57.2_sparc.deb
MD5 checksum: 0f36ced2b9034efc4a4a4c27e24741b2

Alpha architecture:

cron_3.0pl1-57.2_alpha.deb
MD5 checksum: 4ab47059690eaaefdcd7fd76dfcea7dc

PowerPC architecture:

cron_3.0pl1-57.2_powerpc.deb
MD5 checksum: 9e719f0e0184b6a74aaf9ee46512e582

ARM architecture:

cron_3.0pl1-57.2_arm.deb
MD5 checksum: fbadf2d251f3ca9c93ba3976368bdf46


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/ .

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-securitydists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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