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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
(Mandrake Issues Fix) Perl DBI::ProxyServer Unsafe Temporary Files May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1013132
SecurityTracker URL:  https://securitytracker.com/id/1013132
CVE Reference:   CVE-2005-0077   (Links to External Site)
Date:  Feb 9 2005
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Perl DBI library in the use of temporary files. A local user may be able to gain elevated privileges.

The 'DBI::ProxyServer' module in the Perl DBI library uses a process ID (PID) file in an unsafe manner. A local user can create a symbolic link (symlink) from a critical file on the system to the PID file used by the library. Then, when a target user invokes an application that uses the module (such as 'dbiproxy'), the symlinked file may be created or overwritten with the privileges of the target user.

The flaws reside in 'dbiproxy.PL' and 'lib/DBI/ProxyServer.pm'.

Javier Fernandez-Sanguino Pena from the Debian Security Audit Project is credited with discovering this flaw.

Impact:   A local user may be able to gain elevated privileges.
Solution:   Mandrake has released a fix:

Mandrakelinux 10.0:
f183c93fbd101c2737cd4b800e53061a 10.0/RPMS/perl-DBI-1.40-2.1.100mdk.i586.rpm
09c0f80516516bcfd6ada405cb4127c6 10.0/RPMS/perl-DBI-ProfileDumper-Apache-1.40-2.1.100mdk.i586.rpm
8dd39d507ec177cf65625fc3c4fd4dec 10.0/RPMS/perl-DBI-proxy-1.40-2.1.100mdk.i586.rpm
b04ab03347493fc4fdaa547beaa1c402 10.0/SRPMS/perl-DBI-1.40-2.1.100mdk.src.rpm

Mandrakelinux 10.0/AMD64:
0d93f83c6d47509b50958b9d348a01db amd64/10.0/RPMS/perl-DBI-1.40-2.1.100mdk.amd64.rpm
0c9e0a856cb8c5bc0d64e6a09a458c7e amd64/10.0/RPMS/perl-DBI-ProfileDumper-Apache-1.40-2.1.100mdk.amd64.rpm
e59eab73007bd4cd3d0a5eaf9a3ff726 amd64/10.0/RPMS/perl-DBI-proxy-1.40-2.1.100mdk.amd64.rpm
b04ab03347493fc4fdaa547beaa1c402 amd64/10.0/SRPMS/perl-DBI-1.40-2.1.100mdk.src.rpm

Mandrakelinux 10.1:
60364853bb7dee1839d3cb547afc8a19 10.1/RPMS/perl-DBI-1.43-2.1.101mdk.i586.rpm
c8bced0d08e2a6b03fab4419aedab972 10.1/RPMS/perl-DBI-ProfileDumper-Apache-1.43-2.1.101mdk.i586.rpm
ac431947526d375f027cb2be6bff135b 10.1/RPMS/perl-DBI-proxy-1.43-2.1.101mdk.i586.rpm
9c05fd35c23434f0fb6847a0748db48a 10.1/SRPMS/perl-DBI-1.43-2.1.101mdk.src.rpm

Mandrakelinux 10.1/X86_64:
ca0563150d47a65af49d9da093aed768 x86_64/10.1/RPMS/perl-DBI-1.43-2.1.101mdk.x86_64.rpm
1a07d1d235940e77b3f2ef5a567099ba x86_64/10.1/RPMS/perl-DBI-ProfileDumper-Apache-1.43-2.1.101mdk.x86_64.rpm
e862336b385924ee30cca15290d94c63 x86_64/10.1/RPMS/perl-DBI-proxy-1.43-2.1.101mdk.x86_64.rpm
9c05fd35c23434f0fb6847a0748db48a x86_64/10.1/SRPMS/perl-DBI-1.43-2.1.101mdk.src.rpm

Corporate Server 2.1:
4290a50a53b7a3145f22273340890e25 corporate/2.1/RPMS/perl-DBI-1.30-2.1.C21mdk.i586.rpm
95f3824c3ea378dd8652f98a77fc74b8 corporate/2.1/SRPMS/perl-DBI-1.30-2.1.C21mdk.src.rpm

Corporate Server 2.1/X86_64:
0a5209978e9af9a0e37dabd5b3662df1 x86_64/corporate/2.1/RPMS/perl-DBI-1.30-2.1.C21mdk.x86_64.rpm
95f3824c3ea378dd8652f98a77fc74b8 x86_64/corporate/2.1/SRPMS/perl-DBI-1.30-2.1.C21mdk.src.rpm

Corporate 3.0:
d0f09892449d1a7da32be4cd40d2a1e7 corporate/3.0/RPMS/perl-DBI-1.40-2.1.C30mdk.i586.rpm
04cb49b27561ff4efb6b2cd606798ff8 corporate/3.0/RPMS/perl-DBI-ProfileDumper-Apache-1.40-2.1.C30mdk.i586.rpm
a84d893ebef5d564214ff6dd0f76e27a corporate/3.0/RPMS/perl-DBI-proxy-1.40-2.1.C30mdk.i586.rpm
ad3694699cb43081a6b992b4bcd6788d corporate/3.0/SRPMS/perl-DBI-1.40-2.1.C30mdk.src.rpm

Corporate 3.0/X86_64:
0de569b049473452b0cf6bc40c1026b7 x86_64/corporate/3.0/RPMS/perl-DBI-1.40-2.1.C30mdk.x86_64.rpm
475cb6cd7d5c2cdecd49a7409be09fe3 x86_64/corporate/3.0/RPMS/perl-DBI-ProfileDumper-Apache-1.40-2.1.C30mdk.x86_64.rpm
a0c8b92fc1fd0067737bca1904340d85 x86_64/corporate/3.0/RPMS/perl-DBI-proxy-1.40-2.1.C30mdk.x86_64.rpm
ad3694699cb43081a6b992b4bcd6788d x86_64/corporate/3.0/SRPMS/perl-DBI-1.40-2.1.C30mdk.src.rpm

Mandrakelinux 9.2:
1d6e74cc098dde364d8d3c7089077d19 9.2/RPMS/perl-DBI-1.38-1.1.92mdk.i586.rpm
35e3e7129434381326444992443182c3 9.2/RPMS/perl-DBI-ProfileDumper-Apache-1.38-1.1.92mdk.i586.rpm
fe4659a0fe8904279f522cb0579f0583 9.2/RPMS/perl-DBI-proxy-1.38-1.1.92mdk.i586.rpm
fd0fe5bb7d22a89e7fa4842fd7de4532 9.2/SRPMS/perl-DBI-1.38-1.1.92mdk.src.rpm

Mandrakelinux 9.2/AMD64:
4cc7fc03b362947b8a1d2017ea0f8cf0 amd64/9.2/RPMS/perl-DBI-1.38-1.1.92mdk.amd64.rpm
e97c932db73efc2b50159ac0b8e47af9 amd64/9.2/RPMS/perl-DBI-ProfileDumper-Apache-1.38-1.1.92mdk.amd64.rpm
f93fb55dbd44219e84566c7774241fbc amd64/9.2/RPMS/perl-DBI-proxy-1.38-1.1.92mdk.amd64.rpm
fd0fe5bb7d22a89e7fa4842fd7de4532 amd64/9.2/SRPMS/perl-DBI-1.38-1.1.92mdk.src.rpm

Cause:   Access control error, State error
Underlying OS:  Linux (Mandriva/Mandrake)
Underlying OS Comments:  10.0, 10.1, 9.2; Corporate Server 3.0, 2.1

Message History:   This archive entry is a follow-up to the message listed below.
Jan 26 2005 Perl DBI::ProxyServer Unsafe Temporary Files May Let Local Users Gain Elevated Privileges



 Source Message Contents

Subject:  [Security Announce] MDKSA-2005:030 - Updated perl-DBI packages


[Original Message Not Available for Viewing]


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