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Home arrow SecurityAlert Database

Arrow  Topic :

LedgerSMB 1.0.0 and SQL-Ledger 2.6.18 and earler arbitrary code execution


Arrow  SecurityAlert : 1553
Arrow  CVE : CVE-2006-4731
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Given : No
Arrow  Credit : Chris Travers
Arrow  Published : 18.09.2006

Arrow  Affected Software : SQL-Ledger, all versions prior to 2.6.19.
LedgerSMB 1.0.0



Arrow  Advisory Text :  

Hi all;

Summary:
A directory transversal issue was found in LedgerSMB 1.0.0 involving the
terminal variable. This vulnerability was inherited from the SQL-Ledger
codebase. Due to the fact that SQL-Ledger has a built-in text editor,
this issue could result in arbitrary code execution on the server. The
SQL-Ledger and LedgerSMB teams have both released patches to these
vulnerabilities.

Software affected:
SQL-Ledger, all versions prior to 2.6.19.
LedgerSMB 1.0.0
Other SQL-Ledger derivatives should presume themselves vulnerable (we
have not checked).

Patched versions:
SQL-Ledger 2.6.19
LedgerSMB 1.0.0p1
SQL-Ledger 2.4.4-2.4.17 are particularly vulnerable due to CVE-2006-4244.

Mitigating factors:
Authentication is required (only for LedgerSMB 1.0.0 and SQL-Ledger
2.4.3 and lower, or 2.6.18).

Detailed description:
The "terminal" query variable is insufficiently checked in the login.pl
and admin.pl files for validity and can lead to directory transversal
and arbitrary code execution in SQL-Ledger (2.6.18 and earlier) and
LedgerSMB (1.0.0 only). In particular, an attacker could upload a file
called "login.pl" using these facilities. The attacher could then pass
a specially malformed url to the web server that would cause it to
execute the code. The form of the url might be:
http://hostname/path/login.pl?termina=../css

In the course of our disclosure, we sent a notification to the developer
of SQL-Ledger who quickly patched his software.

All customers should upgrade to the newest versions of these packages at
their earliest convenience.

Credit for this disclosure should go to Chris Murtagh (a private
individual) and Richard Patterson of Quickhelp.

Best Wishes,
Chris Travers
Metatron Technology Consulting
begin:vcard
fn:Chris Travers
n:Travers;Chris
email;internet:chris (at) metatrontech (dot) com [email concealed]
tel;work:509-888-0220
tel;cell:509-630-7794
x-mozilla-html:FALSE
version:2.1
end:vcard



Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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