Vulnerability CVE-2017-13727
Published: 2017-08-29

Description:
There is a reachable assertion abort in the function TIFFWriteDirectoryTagSubifd() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.

Type:

CWE-617

 (Reachable Assertion)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Libtiff -> Libtiff 

 References:
http://bugzilla.maptools.org/show_bug.cgi?id=2728
http://www.securityfocus.com/bid/100524
https://usn.ubuntu.com/3602-1/
https://www.debian.org/security/2018/dsa-4100
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