Hi there,

Le 24 avr. 2010 à 04:24, Jennifer Fong a écrit :

> Hi, there--
> 
> I sincerely apologize if this has been mentioned before.  Very few results 
> come up when I search for anything related to ssn's on the archives, so 
> hopefully I'm not being repetitive...
> 
> I've been having problems with false positives on SSNs when searching only 
> unstripped/hyphened ssn's.
> 
> It looks like the problem is that in dlp.c, in dlp_is_valid_ssn
> 
> cli_isnumber is never run on the supposedly numeric components of numbuf, but 
> if there are any numbers in these components, the
> sscanf... check still returns that it successfully matched all three.
> 
> Then, if by chance the numeric portions of the components satisfy the rules 
> of a valid ssn, clamscan thinks the invalid string is a valid ssn.
> 
> For example, 111-11-4<>! returns as a valid ssn.
> 
> I'm not really familiar enough with programming to know whether I am actually 
> reading the code correctly or not, but I am convinced enough to bring it to 
> the list.
> 
> Is this intended or just a known issue that has been put on the backburner?

I second about false positive, I had several PS and PDF files that has being 
detected as a false positive.

I had to desactivate this in my mail server farm.

Xavier
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