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Fedora Legacy Update Advisory
Synopsis: Updated perl packages fix security issues
Advisory ID: FLSA:152845
Issue date: 2006-01-24
Product: Red Hat Linux, Fedora Core
Keywords: Bugfix
CVE Names: CVE-2004-0452 CVE-2004-0976 CVE-2005-0155
CVE-2005-0156 CVE-2005-0448
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1. Topic:
Updated perl packages that fix several security flaws are now available.
Perl is a high-level programming language commonly used for system
administration utilities and Web programming.
2. Relevant releases/architectures:
Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386
Fedora Core 1 - i386
Fedora Core 2 - i386
3. Problem description:
An unsafe file permission bug was discovered in the rmtree() function in
the File::Path module. The rmtree() function removes files and
directories in an insecure manner, which could allow a local user to
read or delete arbitrary files. The Common Vulnerabilities and
Exposures project has assigned the name CVE-2004-0452 to this issue.
Solar Designer discovered several temporary file bugs in various Perl
modules. A local attacker could overwrite or create files as the user
running a Perl script that uses a vulnerable module. The Common Vulner-
abilities and Exposures project has assigned the name CVE-2004-0976 to
this issue.
Kevin Finisterre discovered a stack based buffer overflow flaw in sperl,
the Perl setuid wrapper. A local user could create a sperl executable
script with a carefully created path name, overflowing the buffer and
leading to root privilege escalation. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CVE-2005-0156 to
this issue.
Kevin Finisterre discovered a flaw in sperl which can cause debugging
information to be logged to arbitrary files. By setting an environment
variable, a local user could cause sperl to create, as root, files with
arbitrary filenames, or append the debugging information to existing
files. The Common Vulnerabilities and Exposures project has assigned
the name CVE-2005-0155 to this issue.
Paul Szabo discovered a bug in the way Perl's File::Path::rmtree module
removed directory trees. If a local user has write permissions to a
subdirectory within the tree being removed by File::Path::rmtree, it is
possible for them to create setuid binary files. The Common Vulner-
abilities and Exposures project has assigned the name CVE-2005-0448 to
this issue. (This issue updates CVE-2004-0452).
Users of perl are advised to upgrade to these packages which contain
backported patches and are not vulnerable to these issues.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which
are not installed but included in the list will not be updated. Note
that you can also use wildcards (*.rpm) if your current directory *only*
contains the desired RPMs.
Please note that this update is also available via yum and apt. Many
people find this an easier way to apply updates. To use yum issue:
yum update
or to use apt:
apt-get update; apt-get upgrade
This will start an interactive process that will result in the
appropriate RPMs being upgraded on your system. This assumes that you
have yum or apt-get configured for obtaining Fedora Legacy content.
Please visit http://www.fedoralegacy.org/docs for directions on how to
configure yum and apt-get.
5. Bug IDs fixed:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=152845
6. RPMs required:
Red Hat Linux 7.3:
SRPM:
http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/perl-5.6.1-38.0.7.3.3.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-5.6.1-38.0.7.3.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-CGI-2.752-38.0.7.3.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-CPAN-1.59_54-38.0.7.3.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-DB_File-1.75-38.0.7.3.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-NDBM_File-1.75-38.0.7.3.3.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/perl-suidperl-5.6.1-38.0.7.3.3.legacy.i386.rpm
Red Hat Linux 9:
SRPM:
http://download.fedoralegacy.org/redhat/9/updates/SRPMS/perl-5.8.0-90.0.12.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/9/updates/i386/perl-5.8.0-90.0.12.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/perl-CGI-2.81-90.0.12.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/perl-CPAN-1.61-90.0.12.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/perl-DB_File-1.804-90.0.12.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/perl-suidperl-5.8.0-90.0.12.legacy.i386.rpm
Fedora Core 1:
SRPM:
http://download.fedoralegacy.org/fedora/1/updates/SRPMS/perl-5.8.3-17.4.legacy.src.rpm
i386:
http://download.fedoralegacy.org/fedora/1/updates/i386/perl-5.8.3-17.4.legacy.i386.rpm
http://download.fedoralegacy.org/fedora/1/updates/i386/perl-suidperl-5.8.3-17.4.legacy.i386.rpm
Fedora Core 2:
SRPM:
http://download.fedoralegacy.org/fedora/2/updates/SRPMS/perl-5.8.3-19.3.legacy.src.rpm
i386:
http://download.fedoralegacy.org/fedora/2/updates/i386/perl-5.8.3-19.3.legacy.i386.rpm
http://download.fedoralegacy.org/fedora/2/updates/i386/perl-suidperl-5.8.3-19.3.legacy.i386.rpm
7. Verification:
SHA1 sum Package Name
---------------------------------------------------------------------
ac3b7161e09878545dc1e499ad4d1c1de5cf8a42
redhat/7.3/updates/i386/perl-5.6.1-38.0.7.3.3.legacy.i386.rpm
d5d8c6c4b2b77fc14b0720dcad3c799f3dfdf759
redhat/7.3/updates/i386/perl-CGI-2.752-38.0.7.3.3.legacy.i386.rpm
c0a405c744e2b047fefd9e189da08f84433538d4
redhat/7.3/updates/i386/perl-CPAN-1.59_54-38.0.7.3.3.legacy.i386.rpm
9380974623d1c7e9283823cc6a300c1486cb1052
redhat/7.3/updates/i386/perl-DB_File-1.75-38.0.7.3.3.legacy.i386.rpm
0b1c087c7aa5d97118e84e471fe154599104260f
redhat/7.3/updates/i386/perl-NDBM_File-1.75-38.0.7.3.3.legacy.i386.rpm
28c36210be8c7207264fc2b55cdcedf7d1e4bb80
redhat/7.3/updates/i386/perl-suidperl-5.6.1-38.0.7.3.3.legacy.i386.rpm
41fe2199272ab4d601634650be781753d391d750
redhat/7.3/updates/SRPMS/perl-5.6.1-38.0.7.3.3.legacy.src.rpm
d889ae85e1585e93aa76cd67edab80a2c1f0e076
redhat/9/updates/i386/perl-5.8.0-90.0.12.legacy.i386.rpm
0615bbecd89001917ef70e0a60f20d5c5c50a732
redhat/9/updates/i386/perl-CGI-2.81-90.0.12.legacy.i386.rpm
9b06404d6d324b322fc5f959d78d678e3dc823e9
redhat/9/updates/i386/perl-CPAN-1.61-90.0.12.legacy.i386.rpm
05234d09cec06556e3208efe95363bf3b07100d1
redhat/9/updates/i386/perl-DB_File-1.804-90.0.12.legacy.i386.rpm
bfa538993bf4554703fd25dcb44e06a8aeb75484
redhat/9/updates/i386/perl-suidperl-5.8.0-90.0.12.legacy.i386.rpm
d73eb66c03bf06bea9fb861c33de5bc0484e2b9f
redhat/9/updates/SRPMS/perl-5.8.0-90.0.12.legacy.src.rpm
3211332bad74a6965dac37a726d46dba88adc226
fedora/1/updates/i386/perl-5.8.3-17.4.legacy.i386.rpm
156099d6f6f56bd1c8a0db137e2ee3c66104771e
fedora/1/updates/i386/perl-suidperl-5.8.3-17.4.legacy.i386.rpm
3f5ffa320347a2cc9e98219a57a637da5e2b08f8
fedora/1/updates/SRPMS/perl-5.8.3-17.4.legacy.src.rpm
6c43d3e838f4edb74a120134455990725b589b89
fedora/2/updates/i386/perl-5.8.3-19.3.legacy.i386.rpm
561aa026e227438489430b8c245439fada4cc23f
fedora/2/updates/i386/perl-suidperl-5.8.3-19.3.legacy.i386.rpm
56cd349370c7c83e9c25b8207dd114b5169898a9
fedora/2/updates/SRPMS/perl-5.8.3-19.3.legacy.src.rpm
These packages are GPG signed by Fedora Legacy for security. Our key is
available from http://www.fedoralegacy.org/about/security.php
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the sha1sum with the following command:
sha1sum <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0452
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0976
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0155
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0156
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0448
9. Contact:
The Fedora Legacy security contact is <secnotice@xxxxxxxxxxxxxxxx>. More
project details at http://www.fedoralegacy.org
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