[php-maint] Re: another batch of php security issues for review
joey at infodrom.org
Tue Aug 29 16:17:47 UTC 2006
Thanks a lot Adam!
Adam Conrad wrote:
> >> CVE-2006-3016 (Unspecified vulnerability in session.c in PHP before
> >> 5.1.3 has unknown ...)
> >> gotta love the "unspecified". looks like php doesn't perform
> >> checks on the session name, which can contain any number of
> >> malicious things and be used for sql injection, xss, etc.
> >> not sure if this another shoot-yourself-in-the-foot issue or
> >> whether we should include the fix (which apparently is to only
> >> allow session names with alphanumeric characters)
> > Without more details I can't say more. Hmm, it's said to be fixed in
> > http://www.ubuntu.com/usn/usn-320-1 but not mentioned inside.
> >> CVE-2006-3018 (Unspecified vulnerability in the session extension
> >> functionality in ...)
> >> this seems similar to the above, only it can result in heap
> >> corruption, which makes me think that perhaps it's appropriate
> >> to fix it (though finding the fix will be less than fun)
> > If we had the fix, we could maybe think about attack vectors. Right
> > now, nearly everything is unspecified and hence difficult to judge.
> Pre-made patches for both of these can be pulled from debian/patches in
> the dapper-security sources.
I'd consider them bugs but not security bugs. They should be fixed
in the regular version of PHP but imho don't warrant a security update.
Beware of bugs in the above code; I have only proved it correct,
not tried it. -- Donald E. Knuth
More information about the pkg-php-maint