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AUSCERT External Security Bulletin Redistribution
ESB-2018.3411.3
DLA 1562-1: poppler security update
17 December 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: poppler
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-16646 CVE-2018-13988 CVE-2018-10768
CVE-2017-18267
Reference: ESB-2018.3386
ESB-2018.2564
ESB-2018.1496
Original Bulletin:
https://security-tracker.debian.org/tracker/DLA-1562-1
https://security-tracker.debian.org/tracker/DLA-1562-2
https://security-tracker.debian.org/tracker/DLA-1562-3
Comment: This bulletin contains three (3) Debian security advisories.
Revision History: December 17 2018: Added DLA 1562-3 for regression issue
December 3 2018: DLA 1562-2 published
November 1 2018: Initial Release
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Package : poppler
Version : 0.26.5-2+deb8u5
CVE ID : CVE-2017-18267 CVE-2018-10768 CVE-2018-13988 CVE-2018-16646
Debian Bug : 898357 909802
Various security issues were discovered in the poppler PDF rendering
shared library.
CVE-2017-18267
The FoFiType1C::cvtGlyph function in fofi/FoFiType1C.cc in Poppler
through 0.64.0 allows remote attackers to cause a denial of service
(infinite recursion) via a crafted PDF file, as demonstrated by
pdftops.
The applied fix in FoFiType1C::cvtGlyph prevents infinite recursion
on such malformed documents.
CVE-2018-10768
A NULL pointer dereference in the AnnotPath::getCoordsLength function
in Annot.h in Poppler 0.24.5 had been discovered. A crafted input
will lead to a remote denial of service attack. Later versions of
Poppler such as 0.41.0 are not affected.
The applied patch fixes the crash on AnnotInk::draw for malformed
documents.
CVE-2018-13988
Poppler through 0.62 contains an out of bounds read vulnerability due
to an incorrect memory access that is not mapped in its memory space,
as demonstrated by pdfunite. This can result in memory corruption and
denial of service. This may be exploitable when a victim opens a
specially crafted PDF file.
The applied patch fixes crashes when Object has negative number.
(Specs say, number has to be > 0 and gen >= 0).
For Poppler in Debian jessie, the original upstream patch has been
backported to Poppler's old Object API.
CVE-2018-16646
In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may
cause infinite recursion via a crafted file. A remote attacker can
leverage this for a DoS attack.
A range of upstream patches has been applied to Poppler's XRef.cc in
Debian jessie to consolidate a fix for this issue.
For Debian 8 "Jessie", these problems have been fixed in version
0.26.5-2+deb8u5.
We recommend that you upgrade your poppler packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
mike gabriel aka sunweaver (Debian Developer)
fon: +49 (1520) 1976 148
GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22 0782 9AF4 6B30 2577 1B31
mail: sunweaver@debian.org, http://sunweavers.net
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Package : poppler
Version : 0.26.5-2+deb8u6
CVE ID : CVE-2018-16646
A regression issue has been resolved in the poppler PDF rendering
shared library introduced with version 0.26.5-2+deb8u5.
CVE-2018-16646
In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may
cause infinite recursion via a crafted file. A remote attacker can
leverage this for a DoS attack.
The previous solution in Debian LTS fixed the above issue in XRef.cc,
the patches had been obtained from a merge request (#67) on upstream's
Git development platform. Unfortunately, this merge request was declined
by upstream and another merge request (#91) got applied instead. The
fix now directly occurs in the Parser.cc file.
This version of poppler now ships the changeset that got favorized by
the poppler upstream developers (MR #91) and drops the patches from
MR #67.
For Debian 8 "Jessie", this problem has been fixed in version
0.26.5-2+deb8u6.
We recommend that you upgrade your poppler packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
- --
mike gabriel aka sunweaver (Debian Developer)
fon: +49 (1520) 1976 148
GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22 0782 9AF4 6B30 2577 1B31
mail: sunweaver@debian.org, http://sunweavers.net
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Package : poppler
Version : 0.26.5-2+deb8u7
CVE ID : CVE-2018-16646
Debian Bug :
A second regression issue has been resolved in the poppler PDF rendering
shared library this time introduced with version 0.26.5-2+deb8u6 (see
DLA 1562-2).
CVE-2018-16646
In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may
cause infinite recursion via a crafted file. A remote attacker can
leverage this for a DoS attack.
The poppler upstream developers added two more regression fixes on top
of the original fix (upstream merge request #91). These two patches
have now been added to the poppler package in Debian jessie LTS.
For Debian 8 "Jessie", this problem has been fixed in version
0.26.5-2+deb8u7.
We recommend that you upgrade your poppler packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
- --
mike gabriel aka sunweaver (Debian Developer)
fon: +49 (1520) 1976 148
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