oss-security - Re: CVE request: file(1) DoS

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Message-ID: <20150116183531.GA6237@pisco.westfalen.local>
Date: Fri, 16 Jan 2015 19:35:32 +0100
From: jmm@...ian.org
To: oss-security@...ts.openwall.com
Cc: cve-assign@...re.org
Subject: Re: CVE request: file(1) DoS

On Fri, Jan 16, 2015 at 08:15:56AM -0500, Marc Deslauriers wrote:
> On 2015-01-03 02:50 PM, Alexander Cherepanov wrote:
> > On 2014-12-17 03:44, Alexander Cherepanov wrote:
> >> There are two more DoSes fixed in ELF parser of file(1), similar to the
> >> recent CVE-2014-8116.
> > 
> > These fixes were included in 5.22 release:
> > 
> > http://mx.gw.com/pipermail/file/2015/001660.html
> > 
> >> 1. Limit the number of ELF notes processed
> >> Report: http://mx.gw.com/pipermail/file/2014/001653.html
> >> Fix: https://github.com/file/file/commit/ce90e05774dd77d86cfc8dfa6da57b32816841c4
> > 
> > This issue seems to be introduced here:
> > 
> > https://github.com/file/file/commit/956a45ab1c54b11304b367056f41905e72a02380#diff-bc5c24ef9f39a5f4963ca28ecbc645b3L423
> > 
> > 
> > which ended up in 5.08 release. Hence releases 5.08--5.21 are vulnerable.
> > 
> >> 2. Limit string printing to 100 chars
> >> Report: http://mx.gw.com/pipermail/file/2014/001654.html
> >> Fix: https://github.com/file/file/commit/65437cee25199dbd385fb35901bc0011e164276c
> > 
> > This issue was introduced in the following commit:
> > 
> > https://github.com/file/file/commit/c8451af8ab0c2e2a93ce93b9c68257d31576cc85
> > 
> > which ended up in 5.16 release. Hence releases 5.16--5.21 are vulnerable.
> > 
> >> Both problems amplified by the fact that the same section in ELF file
> >> can be referenced and processed by file(1) multiple times. This is also
> >> fixed in the first commit linked above.
> >>
> >> Could CVE(s) please be assigned?
> > 
> 
> Did these ever get CVEs?

They haven't, but should receive assignments. We fixed these in Debian in
DSA-3121-1: https://lists.debian.org/debian-security-announce/2015/msg00003.html

Cheers,
        Moritz

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