[ MDVSA-2009:234-1 ] silc-toolkit




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Mandriva Linux Security Advisory MDVSA-2009:234-1
http://www.mandriva.com/security/
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Package : silc-toolkit
Date : September 15, 2009
Affected: Enterprise Server 5.0
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Problem Description:

Multiple vulnerabilities was discovered and corrected in silc-toolkit:

Multiple format string vulnerabilities in lib/silcclient/client_entry.c
in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and
SILC Client before 1.1.8, allow remote attackers to execute arbitrary
code via format string specifiers in a nickname field, related to the
(1) silc_client_add_client, (2) silc_client_update_client, and (3)
silc_client_nickname_format functions (CVE-2009-3051).

The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in
Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows
remote attackers to overwrite a stack location and possibly execute
arbitrary code via a crafted OID value, related to incorrect use of
a %lu format string (CVE-2008-7159).

The silc_http_server_parse function in lib/silchttp/silchttpserver.c in
the internal HTTP server in silcd in Secure Internet Live Conferencing
(SILC) Toolkit before 1.1.9 allows remote attackers to overwrite
a stack location and possibly execute arbitrary code via a crafted
Content-Length header, related to incorrect use of a %lu format string
(CVE-2008-7160).

Multiple format string vulnerabilities in lib/silcclient/command.c
in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10,
and SILC Client 1.1.8 and earlier, allow remote attackers to execute
arbitrary code via format string specifiers in a channel name, related
to (1) silc_client_command_topic, (2) silc_client_command_kick,
(3) silc_client_command_leave, and (4) silc_client_command_users
(CVE-2009-3163).

This update provides a solution to these vulnerabilities.

Update:

Packages for MES5 was not provided previousely, this update addresses
this problem.
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References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3051
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7159
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7160
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3163
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Updated Packages:

Mandriva Enterprise Server 5:
a800a8c69a356ca40c50b04d7322c9ee mes5/i586/libsilc1.1_2-1.1.7-4.1mdvmes5.i586.rpm
317fdb3af9d4d65540756f5737159e20 mes5/i586/libsilcclient1.1_2-1.1.7-4.1mdvmes5.i586.rpm
1e4df0e247b1b607d1a6382e45ce8f4b mes5/i586/silc-toolkit-1.1.7-4.1mdvmes5.i586.rpm
a677c19630f8102c9ab33c0e59b97f89 mes5/i586/silc-toolkit-devel-1.1.7-4.1mdvmes5.i586.rpm
b7e35b6e6252ab194db2b8ff2a0d2f92 mes5/SRPMS/silc-toolkit-1.1.7-4.1mdvmes5.src.rpm

Mandriva Enterprise Server 5/X86_64:
38705859cd40b455bf1d4e48e2cd5791 mes5/x86_64/lib64silc1.1_2-1.1.7-4.1mdvmes5.x86_64.rpm
097e9e1258f2f350547aca8b20d1f442 mes5/x86_64/lib64silcclient1.1_2-1.1.7-4.1mdvmes5.x86_64.rpm
b4fa6915dd6053d7883ca7052fc46bca mes5/x86_64/silc-toolkit-1.1.7-4.1mdvmes5.x86_64.rpm
b410774b1e725efaac52bad52136f134 mes5/x86_64/silc-toolkit-devel-1.1.7-4.1mdvmes5.x86_64.rpm
b7e35b6e6252ab194db2b8ff2a0d2f92 mes5/SRPMS/silc-toolkit-1.1.7-4.1mdvmes5.src.rpm
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To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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