Date: Fri, 20 Aug 2010 13:33:16 -0400 (EDT) From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Cc: jengelh@...ozas.de, coley <coley@...re.org> Subject: Re: CVE Request: heap-based buffer overflow in libHX Please use CVE-2010-2947 Thanks. -- JB ----- "Thomas Biege" <thomas@...e.de> wrote: > http://libhx.git.sourceforge.net/git/gitweb.cgi?p=libhx/libhx;a=commitdiff;h=904a46f90dd3f046bfac0b64a5e813d7cd4fca59 > > string: fixed buffer overflow in HX_split when too few fields are > present > > Jan Engelhardt [Mon, 16 Aug 2010 17:08:51 +0000 (19:08 +0200)] > > > > When HX_split is called with a maximum number of desired fields (4th > > argument != 0), passing in a string that has less fields than that > led > > to a buffer overrun (write beyond end of malloc'd area). > > > > CVSS Base Score: 10 > > - Impact Subscore: 10 > > - Exploitability Subscore: 10 > > CVSS Temporal Score: 7.4 > > CVSS Environmental Score: Undefined > > Overall CVSS Score: 7.4 > > > > CVSS Base vector:: AV:N/AC:L/Au:N/C:C/I:C/A:C > > - AV: libHX may be used by network services > > - Au: some services may not require authentication > > - A: can cause crash when result is freed > > > > CVSS Temporal vectors:: RL:O/RC:C > > > > Affects all versions prior to, and including, 3.5. > > -- > Thomas Biege <thomas@...e.de>, SUSE LINUX, Security Support & > Auditing > SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)
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