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Date: Sun, 27 Mar 2016 13:39:07 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: oss-security@...ts.openwall.com
Cc: CVE Assignments MITRE <cve-assign@...re.org>
Subject: Re: CVE Request: pcre: Segmentation fault on certain
input to regular expressions with nested alternatives when JIT is used
Hi,
On Sat, Mar 26, 2016 at 08:25:55AM +0100, Salvatore Bonaccorso wrote:
> Hi
>
> In Debian the following issue was reported (test case contained)
>
> https://bugs.debian.org/819050
>
>
> On certain input when processed for regular expressions with nested
> alternatives and JIT is used, pcre3 can segfault, affecting in this
> case suricata leading to at least a denial of service.
>
> The problem was addressed upstream with commit:
> http://vcs.pcre.org/pcre?view=revision&revision=1475
>
> Can you assign a CVE for this issue?
Additional information for this request: The issue seems to have been
introduced with http://vcs.pcre.org/pcre?view=revision&revision=1434
in 8.35.
Note that upstream of suricata tracks the issue in suricata in
conjunction with pcre 8.35 with
https://redmine.openinfosecfoundation.org/issues/1693
to issue a warning.
Regards,
Salvatore
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