Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2017.0100
Multiple vulnerabilities have been identified in Foxit PhantomPDF
13 January 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Foxit PhantomPDF
Publisher: Zero Day Initiative
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
Original Bulletin:
http://www.zerodayinitiative.com/advisories/ZDI-17-042/
http://www.zerodayinitiative.com/advisories/ZDI-17-039/
Comment: This bulletin contains two (2) Zero Day Initiative security
advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
Foxit PhantomPDF ConvertToPDF TIFF Parsing Memory Corruption Remote Code
Execution Vulnerability
ZDI-17-042: January 11th, 2017
CVSS Score
6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Affected Vendors
Foxit
Affected Products
PhantomPDF
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Foxit PhantomPDF. User interaction is required
to exploit this vulnerability in that the target must visit a malicious
page or open a malicious file.
The specific flaw exists within ConvertToPDF's TIFF parsing. The issue
results from the lack of proper validation of user-supplied data which
can result in a memory corruption condition. An attacker can leverage this
vulnerability to execute code under the context of the current process.
Vendor Response
Foxit has issued an update to correct this vulnerability. More details
can be found at:
https://www.foxitsoftware.com/support/security-bulletins.php
Disclosure Timeline
2016-12-01 - Vulnerability reported to vendor
2017-01-11 - Coordinated public release of advisory
Credit
This vulnerability was discovered by:
Juan Pablo Lopez Yacubian
- ---
Foxit PhantomPDF ConvertToPDF JPEG Parsing Out-Of-Bounds Read Information
Disclosure Vulnerability
ZDI-17-039: January 11th, 2017
CVSS Score
4.3, (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Vendors
Foxit
Affected Products
PhantomPDF
Vulnerability Details
This vulnerability allows remote attackers to disclose sensitive information
on vulnerable installations of Foxit PhantomPDF. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.
The specific flaw exists within the handling of JPEG images. The process
does not properly validate user-supplied data which can result in a read
past the end of an allocated object. An attacker can leverage this in
conjunction with other vulnerabilities to execute code in the context of
the current process.
Vendor Response
Foxit has issued an update to correct this vulnerability. More details
can be found at:
https://www.foxitsoftware.com/support/security-bulletins.php
Disclosure Timeline
2016-12-01 - Vulnerability reported to vendor
2017-01-11 - Coordinated public release of advisory
Credit
This vulnerability was discovered by:
Ke Liu of Tencent's Xuanwu LAB
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=2isB
-----END PGP SIGNATURE-----