what you don't know can hurt you

Libraw 0.18.5 Denial Of Service

Libraw 0.18.5 Denial Of Service
Posted Dec 12, 2017
Authored by Laurent Delosieres | Site secunia.com

Libraw version 0.8.15 suffers from a denial of service vulnerability.

tags | advisory, denial of service
advisories | CVE-2017-16909, CVE-2017-16910
MD5 | 05f8390db2d984a68b3f2a0b472f4f59

Libraw 0.18.5 Denial Of Service

Change Mirror Download
======================================================================

Secunia Research 2017/12/08

LibRaw Multiple Denial of Service Vulnerabilities

======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerabilities.......................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Flexera Software...............................................8
Verification.........................................................9

======================================================================
1) Affected Software

* LibRaw versions prior to 0.18.6.

======================================================================
2) Severity

Rating: Moderately critical
Impact: Denial of Service
Where: From remote

======================================================================
3) Description of Vulnerabilities

Secunia Research has discovered multiple vulnerabilities in LibRaw,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

1) An error related to the "LibRaw::panasonic_load_raw()" function
(dcraw_common.cpp) can be exploited to cause a heap-based buffer
overflow and subsequently cause a crash via a specially crafted TIFF
image.

2) An error within the "LibRaw::xtrans_interpolate()" function
(internal/dcraw_common.cpp) can be exploited to cause an invalid read
memory access.

The vulnerabilities are confirmed in version 0.18.5 and reported in
versions prior to 0.18.6.

======================================================================
4) Solution

Update to version 0.18.6.

======================================================================
5) Time Table

2017/12/04 - Maintainer contacted with the vulnerability details.
2017/12/04 - Maintainer confirmed the vulnerability.
2017/12/06 - Maintainer released a fix.
2017/12/07 - Release of Secunia Advisory SA76000.
2017/12/08 - Public disclosure of Secunia Research Advisory.

======================================================================
6) Credits

Laurent Delosieres, Secunia Research at Flexera Software.

======================================================================
7) References

The Flexera Software CNA has assigned the CVE-2017-16909 and
CVE-2017-16910 identifiers for the vulnerabilities through the Common
Vulnerabilities and Exposures (CVE) project.

======================================================================
8) About Flexera Software

Flexera helps application producers and enterprises increase
application usage and the value they derive from their software.

http://www.flexerasoftware.com/enterprise/company/about/

Flexera delivers market-leading Software Vulnerability Management
solutions enabling enterprises to proactively identify and
remediate software vulnerabilities, effectively reducing the risk of
costly security breaches.

http://www.flexerasoftware.com/enterprise/products/

Flexera supports and contributes to the community in several
ways. We have always believed that reliable vulnerability
intelligence and tools to aid identifying and fixing vulnerabilities
should be freely available for consumers to ensure that users,
who care about their online privacy and security, can stay secure.
Only a few vendors address vulnerabilities in a proper way and help
users get updated and stay secure. End-users (whether private
individuals or businesses) are otherwise left largely alone, and
that is why back in 2002, Secunia Research started investigating,
coordinating disclosure and verifying software vulnerabilities.
In 2016, Secunia Research became a part of Flexera and today
our in-house software vulnerability research remains the core of
the Software Vulnerability Management products at Flexera.

https://secuniaresearch.flexerasoftware.com/community/research/

The public Secunia Advisory database contains information for
researchers, security enthusiasts, and consumers to lookup individual
products and vulnerabilities and assess, whether they need to take
any actions to secure their systems or whether a given vulnerability
has already been discovered

https://secuniaresearch.flexerasoftware.com/community/advisories/

======================================================================
9) Verification

Please verify this advisory by visiting the website:
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-19

======================================================================

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