Re: CVE Request - OpenSLP 2.0 Memory Corruption

[cve-assign () mitre org]

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> The following commit fixes a memory corruption bug that I reported in OpenSLP:
>
> https://sourceforge.net/p/openslp/mercurial/ci/34fb3aa5e6b4997fa21cb614e480de36da5dbc9a/
>
> Below are the details of the issue:
>
> static int SLPFoldWhiteSpace(size_t len, char * str)
> {
>       char * p = str, * ep = str + len;
>       while (p < ep)
>       {
>             if (isspace(*p))
>             {
>                 char * ws2p = ++p;
>                 while (isspace(*p))
>                      p++;
>                 len -= p - ws2p;
>                 memmove(ws2p, p, ep - p);
>
> The outer while loop checks for p < ep, but lack of bound check in
> inner while loop could result in p > ep. This will result in passing a
> very large 'size_t len' (ep - p) parameter for memmove().

> > Bug 151: Fix memory corruption due to possible overflow in SLPFoldWhiteSpace
> > common/slp_compare.c

Use CVE-2016-7567.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
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