Vulnerability CVE-2017-6887
Published: 2017-05-16

Description:
A boundary error within the "parse_tiff_ifd()" function (internal/dcraw_common.cpp) in LibRaw versions before 0.18.2 can be exploited to cause a memory corruption via e.g. a specially crafted KDC file with model set to "DSLR-A100" and containing multiple sequences of 0x100 and 0x14A TAGs.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Libraw -> Libraw 

 References:
http://www.debian.org/security/2017/dsa-3950
http://www.securityfocus.com/bid/98592
https://github.com/LibRaw/LibRaw/commit/d7c3d2cb460be10a3ea7b32e9443a83c243b2251
https://secuniaresearch.flexerasoftware.com/advisories/75737/
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-6/
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