RedHat: Low: sharutils security update
Summary
Summary
The sharutils package contains a set of tools for encoding and decoding packages of files in binary or text format. A stack based overflow bug was found in the way shar handles the -o option. If a user can be tricked into running a specially crafted command, it could lead to arbitrary code execution. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-1772 to this issue. Please note that this issue does not affect Red Hat Enterprise Linux 4. Two buffer overflow bugs were found in sharutils. If an attacker can place a malicious 'wc' command on a victim's machine, or trick a victim into running a specially crafted command, it could lead to arbitrary code execution. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-1773 to this issue. A bug was found in the way unshar creates temporary files. A local user could use symlinks to overwrite arbitrary files the victim running unshar has write access to. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0990 to this issue. All users of sharutils should upgrade to this updated package, which includes backported fixes to correct these issues.
Solution
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:
up2date
For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:
http://www.redhat.com/docs/manuals/enterprise/
4. Bug IDs fixed (http://bugzilla.redhat.com/):
152571 - CAN-2004-1772 buffer overflow with -o option
152573 - CAN-2004-1773 Buffer overflows in unshar
154049 - CAN-2005-0990 insecure temp file usage
5. RPMs required:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
4ff9ccec228d473e8983f60cec4f7bba sharutils-4.2.1-8.9.x.src.rpm
i386:
a11c9f7ce6ec7e339554f88dd586ca53 sharutils-4.2.1-8.9.x.i386.rpm
ia64:
c80d5a08b52b452b2c11cb7b0dffc59b sharutils-4.2.1-8.9.x.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
4ff9ccec228d473e8983f60cec4f7bba sharutils-4.2.1-8.9.x.src.rpm
ia64:
c80d5a08b52b452b2c11cb7b0dffc59b sharutils-4.2.1-8.9.x.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
4ff9ccec228d473e8983f60cec4f7bba sharutils-4.2.1-8.9.x.src.rpm
i386:
a11c9f7ce6ec7e339554f88dd586ca53 sharutils-4.2.1-8.9.x.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
4ff9ccec228d473e8983f60cec4f7bba sharutils-4.2.1-8.9.x.src.rpm
i386:
a11c9f7ce6ec7e339554f88dd586ca53 sharutils-4.2.1-8.9.x.i386.rpm
Red Hat Enterprise Linux AS version 3:
SRPMS:
06a6b26786f3674b33280441417316c8 sharutils-4.2.1-16.2.src.rpm
i386:
3228571c5d375ff8ae96e6f7bf00a046 sharutils-4.2.1-16.2.i386.rpm
ia64:
caa4872797cbb61cbb3d86c9bc6b9c17 sharutils-4.2.1-16.2.ia64.rpm
ppc:
cf2564b18459cea9958c373396894ecc sharutils-4.2.1-16.2.ppc.rpm
s390:
ee6bb67d0ea5d5d79539437f78f1128f sharutils-4.2.1-16.2.s390.rpm
s390x:
89114c0f739d46695fa787f3227a960c sharutils-4.2.1-16.2.s390x.rpm
x86_64:
337510c9c7925ed4e916b2733059d35d sharutils-4.2.1-16.2.x86_64.rpm
Red Hat Desktop version 3:
SRPMS:
06a6b26786f3674b33280441417316c8 sharutils-4.2.1-16.2.src.rpm
i386:
3228571c5d375ff8ae96e6f7bf00a046 sharutils-4.2.1-16.2.i386.rpm
x86_64:
337510c9c7925ed4e916b2733059d35d sharutils-4.2.1-16.2.x86_64.rpm
Red Hat Enterprise Linux ES version 3:
SRPMS:
06a6b26786f3674b33280441417316c8 sharutils-4.2.1-16.2.src.rpm
i386:
3228571c5d375ff8ae96e6f7bf00a046 sharutils-4.2.1-16.2.i386.rpm
ia64:
caa4872797cbb61cbb3d86c9bc6b9c17 sharutils-4.2.1-16.2.ia64.rpm
x86_64:
337510c9c7925ed4e916b2733059d35d sharutils-4.2.1-16.2.x86_64.rpm
Red Hat Enterprise Linux WS version 3:
SRPMS:
06a6b26786f3674b33280441417316c8 sharutils-4.2.1-16.2.src.rpm
i386:
3228571c5d375ff8ae96e6f7bf00a046 sharutils-4.2.1-16.2.i386.rpm
ia64:
caa4872797cbb61cbb3d86c9bc6b9c17 sharutils-4.2.1-16.2.ia64.rpm
x86_64:
337510c9c7925ed4e916b2733059d35d sharutils-4.2.1-16.2.x86_64.rpm
Red Hat Enterprise Linux AS version 4:
SRPMS:
fb0f041f40c952667fa9e2415bb95481 sharutils-4.2.1-22.2.src.rpm
i386:
5528e7145b01b940474eed14da1a4bf5 sharutils-4.2.1-22.2.i386.rpm
ia64:
14609e1cd1f1d403ad562a27ff7090d0 sharutils-4.2.1-22.2.ia64.rpm
ppc:
83ae1ab7519ccd7905256da2319e006e sharutils-4.2.1-22.2.ppc.rpm
s390:
f81531770bdd340cf5bd39ebed7c211b sharutils-4.2.1-22.2.s390.rpm
s390x:
c68d22a3a01ad42d71b7d34b35a49896 sharutils-4.2.1-22.2.s390x.rpm
x86_64:
96fa0ac9f458ea3bed71aca056478e91 sharutils-4.2.1-22.2.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
SRPMS:
fb0f041f40c952667fa9e2415bb95481 sharutils-4.2.1-22.2.src.rpm
i386:
5528e7145b01b940474eed14da1a4bf5 sharutils-4.2.1-22.2.i386.rpm
x86_64:
96fa0ac9f458ea3bed71aca056478e91 sharutils-4.2.1-22.2.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
SRPMS:
fb0f041f40c952667fa9e2415bb95481 sharutils-4.2.1-22.2.src.rpm
i386:
5528e7145b01b940474eed14da1a4bf5 sharutils-4.2.1-22.2.i386.rpm
ia64:
14609e1cd1f1d403ad562a27ff7090d0 sharutils-4.2.1-22.2.ia64.rpm
x86_64:
96fa0ac9f458ea3bed71aca056478e91 sharutils-4.2.1-22.2.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
SRPMS:
fb0f041f40c952667fa9e2415bb95481 sharutils-4.2.1-22.2.src.rpm
i386:
5528e7145b01b940474eed14da1a4bf5 sharutils-4.2.1-22.2.i386.rpm
ia64:
14609e1cd1f1d403ad562a27ff7090d0 sharutils-4.2.1-22.2.ia64.rpm
x86_64:
96fa0ac9f458ea3bed71aca056478e91 sharutils-4.2.1-22.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1772 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1773 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0990
Package List
Topic
Topic
Relevant Releases Architectures
Bugs Fixed