libpng: CVE-2015-7981: out-of-bound read

Related Vulnerabilities: CVE-2015-7981   CVE-2015-8126  

Debian Bug report logs - #803078
libpng: CVE-2015-7981: out-of-bound read

version graph

Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Mon, 26 Oct 2015 18:06:02 UTC

Severity: important

Tags: fixed-upstream, patch, security, upstream

Found in version libpng/1.2.44-1

Fixed in versions libpng/1.2.54-1, libpng/1.2.50-2+deb8u1, libpng/1.2.49-1+deb7u1

Done: Salvatore Bonaccorso <carnil@debian.org>

Bug is archived. No further changes may be made.

Forwarded to http://sourceforge.net/p/libpng/bugs/241/

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View this report as an mbox folder, status mbox, maintainer mbox


Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, secure-testing-team@lists.alioth.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#803078; Package src:libpng. (Mon, 26 Oct 2015 18:06:06 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, secure-testing-team@lists.alioth.debian.org, Anibal Monsalve Salazar <anibal@debian.org>. (Mon, 26 Oct 2015 18:06:06 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libpng: CVE-2015-7981: out-of-bound read
Date: Mon, 26 Oct 2015 19:03:05 +0100
Source: libpng
Version: 1.2.44-1
Severity: important
Tags: security upstream patch fixed-upstream
Forwarded: http://sourceforge.net/p/libpng/bugs/241/

Hi,

the following vulnerability was published for libpng.

CVE-2015-7981[0]:
out-of-bound read vulnerability

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2015-7981
[1] http://sourceforge.net/p/libpng/code/ci/fbf0f024346ca0a4ffc64b082a95c6b6bb6d29c4/
[2] http://sourceforge.net/p/libpng/bugs/241/

Regards,
Salvatore



Information forwarded to debian-bugs-dist@lists.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#803078; Package src:libpng. (Mon, 16 Nov 2015 17:33:06 GMT) (full text, mbox, link).


Acknowledgement sent to Sven Joachim <svenjoac@gmx.de>:
Extra info received and forwarded to list. Copy sent to Anibal Monsalve Salazar <anibal@debian.org>. (Mon, 16 Nov 2015 17:33:06 GMT) (full text, mbox, link).


Message #10 received at 803078@bugs.debian.org (full text, mbox, reply):

From: Sven Joachim <svenjoac@gmx.de>
To: 805113@bugs.debian.org, 803078@bugs.debian.org
Cc: Josh Triplett <josh@joshtriplett.org>, Salvatore Bonaccorso <carnil@debian.org>
Subject: Re: Bug#805113: CVE-2015-8126: buffer overflow
Date: Mon, 16 Nov 2015 18:29:00 +0100
[Message part 1 (text/plain, inline)]
On 2015-11-14 12:54 -0800, Josh Triplett wrote:

> Package: libpng12-0
> Version: 1.2.50-2+b2
> Severity: critical
> Tags: security upstream
>
> Quoting https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8126
>> Multiple buffer overflows in the (1) png_set_PLTE and (2) png_get_PLTE
>> functions in libpng before 1.0.64, 1.1.x and 1.2.x before 1.2.54, 1.3.x and
>> 1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x before 1.6.19 allow remote
>> attackers to cause a denial of service (application crash) or possibly have
>> unspecified other impact via a small bit-depth value in an IHDR (aka image
>> header) chunk in a PNG image.
>
> In particular, "1.1.x and 1.2.x before 1.2.54".

On 2015-10-26 19:03 +0100, Salvatore Bonaccorso wrote:

> Source: libpng
> Version: 1.2.44-1
> Severity: important
> Tags: security upstream patch fixed-upstream
> Forwarded: http://sourceforge.net/p/libpng/bugs/241/
>
> Hi,
>
> the following vulnerability was published for libpng.
>
> CVE-2015-7981[0]:
> out-of-bound read vulnerability
>
> If you fix the vulnerability please also make sure to include the
> CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

I have made a local package with libpng 1.2.54 for myself, if anybody is
interested a filtered debdiff containing only the changes in the debian
directory is attached.  The debian/watch file does not work, I have
downloaded libpng-1.2.54.tar.xz from
ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng12/ where there is
also a detached signature.

Cheers,
       Sven

[debdiff (text/x-diff, attachment)]
[signature.asc (application/pgp-signature, inline)]

Information forwarded to debian-bugs-dist@lists.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#803078; Package src:libpng. (Tue, 17 Nov 2015 21:24:03 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
Extra info received and forwarded to list. Copy sent to Anibal Monsalve Salazar <anibal@debian.org>. (Tue, 17 Nov 2015 21:24:03 GMT) (full text, mbox, link).


Message #15 received at 803078@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: 803078@bugs.debian.org, 805113@bugs.debian.org
Cc: Anibal Monsalve Salazar <anibal@debian.org>
Subject: debdiff for libpng
Date: Tue, 17 Nov 2015 22:20:11 +0100
[Message part 1 (text/plain, inline)]
Control: tags 805113 + patch

Hi Anibal,

Attached is debdiff I would propose for sid (jessie- and
wheezy-security are already prepared analogously but as well not yet
released).

Not yet uploaded thoug (neither to a delayed queue).

Regards,
Salvatore
[libpng_1.2.50-2.1.debdiff.base64 (text/plain, attachment)]
[signature.asc (application/pgp-signature, inline)]

Information forwarded to debian-bugs-dist@lists.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#803078; Package src:libpng. (Wed, 18 Nov 2015 02:18:03 GMT) (full text, mbox, link).


Acknowledgement sent to Nobuhiro Iwamatsu <iwamatsu@nigauri.org>:
Extra info received and forwarded to list. Copy sent to Anibal Monsalve Salazar <anibal@debian.org>. (Wed, 18 Nov 2015 02:18:03 GMT) (full text, mbox, link).


Message #20 received at 803078@bugs.debian.org (full text, mbox, reply):

From: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
To: Salvatore Bonaccorso <carnil@debian.org>, 803078@bugs.debian.org, 805113@bugs.debian.org
Cc: Anibal Monsalve Salazar <anibal@debian.org>
Subject: Re: CVE-2015-8126: buffer overflow
Date: Wed, 18 Nov 2015 11:14:21 +0900
Hi, Salvatore.

Thanks for your patch.
I will upload a new version that includes the changes to fix these bugs soon.
And I will work for jessie and wheezy-security too.

Best regards,
  Nobuhiro

> Control: tags 805113 + patch
>
> Hi Anibal,
>
> Attached is debdiff I would propose for sid (jessie- and
> wheezy-security are already prepared analogously but as well not yet
> released).
>
> Not yet uploaded thoug (neither to a delayed queue).
>
> Regards,
> Salvatore

-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6



Information forwarded to debian-bugs-dist@lists.debian.org, Anibal Monsalve Salazar <anibal@debian.org>:
Bug#803078; Package src:libpng. (Wed, 18 Nov 2015 05:03:07 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
Extra info received and forwarded to list. Copy sent to Anibal Monsalve Salazar <anibal@debian.org>. (Wed, 18 Nov 2015 05:03:07 GMT) (full text, mbox, link).


Message #25 received at 803078@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: 803078@bugs.debian.org, 805113@bugs.debian.org, Anibal Monsalve Salazar <anibal@debian.org>
Subject: Re: CVE-2015-8126: buffer overflow
Date: Wed, 18 Nov 2015 06:01:44 +0100
Hey Nobohiro!

On Wed, Nov 18, 2015 at 11:14:21AM +0900, Nobuhiro Iwamatsu wrote:
> Hi, Salvatore.
> 
> Thanks for your patch.
> I will upload a new version that includes the changes to fix these bugs soon.

Okay thanks, so no NMU needed.

> And I will work for jessie and wheezy-security too.

This is actually already done, but we haven't released the DSA yet
(and exposed the packages to some more testing first).

Regards,
Salvatore



Reply sent to Nobuhiro Iwamatsu <iwamatsu@debian.org>:
You have taken responsibility. (Wed, 18 Nov 2015 18:09:08 GMT) (full text, mbox, link).


Notification sent to Salvatore Bonaccorso <carnil@debian.org>:
Bug acknowledged by developer. (Wed, 18 Nov 2015 18:09:08 GMT) (full text, mbox, link).


Message #30 received at 803078-close@bugs.debian.org (full text, mbox, reply):

From: Nobuhiro Iwamatsu <iwamatsu@debian.org>
To: 803078-close@bugs.debian.org
Subject: Bug#803078: fixed in libpng 1.2.54-1
Date: Wed, 18 Nov 2015 18:05:17 +0000
Source: libpng
Source-Version: 1.2.54-1

We believe that the bug you reported is fixed in the latest version of
libpng, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 803078@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Nobuhiro Iwamatsu <iwamatsu@debian.org> (supplier of updated libpng package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Wed, 18 Nov 2015 11:00:42 +0900
Source: libpng
Binary: libpng12-0 libpng12-dev libpng3 libpng12-0-udeb
Architecture: source amd64
Version: 1.2.54-1
Distribution: unstable
Urgency: medium
Maintainer: Anibal Monsalve Salazar <anibal@debian.org>
Changed-By: Nobuhiro Iwamatsu <iwamatsu@debian.org>
Description:
 libpng12-0 - PNG library - runtime
 libpng12-0-udeb - PNG library - minimal runtime library (udeb)
 libpng12-dev - PNG library - development
 libpng3    - PNG library - runtime
Closes: 803078 805113
Changes:
 libpng (1.2.54-1) unstable; urgency=medium
 .
   * New upstream release. (Closes: #803078, #805113)
   * Remove patches/02-required-space.patch.
     Already applied in upstream.
   * Bumped standards version to 3.9.6.
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Reply sent to Salvatore Bonaccorso <carnil@debian.org>:
You have taken responsibility. (Thu, 19 Nov 2015 19:51:24 GMT) (full text, mbox, link).


Notification sent to Salvatore Bonaccorso <carnil@debian.org>:
Bug acknowledged by developer. (Thu, 19 Nov 2015 19:51:24 GMT) (full text, mbox, link).


Message #35 received at 803078-close@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: 803078-close@bugs.debian.org
Subject: Bug#803078: fixed in libpng 1.2.50-2+deb8u1
Date: Thu, 19 Nov 2015 19:47:07 +0000
Source: libpng
Source-Version: 1.2.50-2+deb8u1

We believe that the bug you reported is fixed in the latest version of
libpng, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 803078@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Salvatore Bonaccorso <carnil@debian.org> (supplier of updated libpng package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 17 Nov 2015 19:21:32 +0100
Source: libpng
Binary: libpng12-0 libpng12-dev libpng3 libpng12-0-udeb
Architecture: source
Version: 1.2.50-2+deb8u1
Distribution: jessie-security
Urgency: high
Maintainer: Anibal Monsalve Salazar <anibal@debian.org>
Changed-By: Salvatore Bonaccorso <carnil@debian.org>
Closes: 803078 805113
Description: 
 libpng12-0 - PNG library - runtime
 libpng12-0-udeb - PNG library - minimal runtime library (udeb)
 libpng12-dev - PNG library - development
 libpng3    - PNG library - runtime
Changes:
 libpng (1.2.50-2+deb8u1) jessie-security; urgency=high
 .
   * Non-maintainer upload by the Security Team.
   * Add CVE-2015-7981.patch patch.
     CVE-2015-7981: Out-of-bounds read in png_convert_to_rfc1123.
     (Closes: #803078)
   * Add Prevent-writing-over-length-PLTE-chunk-Cosm.patch patch.
     CVE-2015-8126: Multiple buffer overflows in the png_set_PLTE and
     png_get_PLTE functions. (Closes: #805113)
   * Add Fixed-new-bug-with-CRC-error-after-reading-.patch patch.
     Fixed new bug with CRC error after reading an over-length palette.
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Reply sent to Salvatore Bonaccorso <carnil@debian.org>:
You have taken responsibility. (Thu, 19 Nov 2015 20:00:08 GMT) (full text, mbox, link).


Notification sent to Salvatore Bonaccorso <carnil@debian.org>:
Bug acknowledged by developer. (Thu, 19 Nov 2015 20:00:08 GMT) (full text, mbox, link).


Message #40 received at 803078-close@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: 803078-close@bugs.debian.org
Subject: Bug#803078: fixed in libpng 1.2.49-1+deb7u1
Date: Thu, 19 Nov 2015 19:57:30 +0000
Source: libpng
Source-Version: 1.2.49-1+deb7u1

We believe that the bug you reported is fixed in the latest version of
libpng, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 803078@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Salvatore Bonaccorso <carnil@debian.org> (supplier of updated libpng package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 17 Nov 2015 19:31:24 +0100
Source: libpng
Binary: libpng12-0 libpng12-dev libpng3 libpng12-0-udeb
Architecture: source amd64
Version: 1.2.49-1+deb7u1
Distribution: wheezy-security
Urgency: high
Maintainer: Anibal Monsalve Salazar <anibal@debian.org>
Changed-By: Salvatore Bonaccorso <carnil@debian.org>
Description: 
 libpng12-0 - PNG library - runtime
 libpng12-0-udeb - PNG library - minimal runtime library (udeb)
 libpng12-dev - PNG library - development
 libpng3    - PNG library - runtime
Closes: 803078 805113
Changes: 
 libpng (1.2.49-1+deb7u1) wheezy-security; urgency=high
 .
   * Non-maintainer upload by the Security Team.
   * Add CVE-2015-7981.patch patch.
     CVE-2015-7981: Out-of-bounds read in png_convert_to_rfc1123.
     (Closes: #803078)
   * Add Prevent-writing-over-length-PLTE-chunk-Cosm.patch patch.
     CVE-2015-8126: Multiple buffer overflows in the png_set_PLTE and
     png_get_PLTE functions. (Closes: #805113)
   * Add Fixed-new-bug-with-CRC-error-after-reading-.patch patch.
     Fixed new bug with CRC error after reading an over-length palette.
Checksums-Sha1: 
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Bug archived. Request was from Debbugs Internal Request <owner@bugs.debian.org> to internal_control@bugs.debian.org. (Sat, 19 Dec 2015 07:34:17 GMT) (full text, mbox, link).


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