ProZilla ftpsearch buffer overflow
| prozilla-ftpsearch-bo (22491) |  High Risk |
Description:
ProZilla is vulnerable to a stack-based buffer overflow caused by a boundary error in ftpsearch.c. A remote attacker, in control of a malicious server, could reply to a search result using the get_string_ahref function of the ftpsearch.c file containing malicious string in the HREF attribute of the <A> tag. This could enable the attacker to overflow a buffer and execute arbitrary code on the system with privileges of the ProZilla user.
NOTE: Successful exploitation depends on IF 1) the search is retrieved using the ProZilla -ftpsearch option and 2) the DNS cache is poisoned by the attacker.
Consequences:
Gain Access
Remedy:
Apply the latest fix (libprozilla), available from the ProZilla CVS repository. See References.
For Debian GNU/Linux:
Refer to DSA-834-1 for patch, upgrade, or suggested workaround information. See References.
References:
- Prozilla CVS Repository: ProZilla.. The download accelerator for Linux.
- BID-14993: ProZilla Buffer Overflow Vulnerability
- CVE-2005-2961: Buffer overflow in the get_string_ahref function for ProZilla 1.3.7.4 and possibly earlier, with the -ftpsearch option enabled, allows remote servers to execute arbitrary code via a search response with a crafted string in the HREF field of an <A> tag.
- DSA-834: prozilla -- buffer overflow
- SA17021: ProZilla "ftpsearch" Buffer Overflow Vulnerability
Platforms Affected:
- Debian Debian Linux 3.0
- ProZilla ProZilla 1.3.7.4
Reported:
Oct 03, 2005
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