Arbitrary Code Execution in SQL-Ledger and LedgerSMB through redirects

2007.02.07
Credit: Chris Travers (chris metatrontech com)
Risk: Medium
Local: No
Remote: Yes
CVE: CVE-2007-0667
CWE: CWE-Other


CVSS Base Score: 6.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Separate from CVE-2006-5872, there is a possibility of causing arbitrary code execution during redirects. This requires a valid login to exploit and was discovered and brought to the attention of both the SQL-Ledger and LedgerSMB team in November. LedgerSMB 1.1.5 corred the problem, but it is still not corrected in SQL-Ledger. There is no workaround to prevent the problem except to hope that those who are using vulnerable software can be trusted. I will be sending a full disclosure of the problem, as well as an unofficial patch to SQL-Ledger in a week. 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


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