Vulnerability CVE-2018-17101
Published: 2018-09-16

Description:
An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Type:

CWE-787

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
Libtiff -> Libtiff 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://bugzilla.maptools.org/show_bug.cgi?id=2807
http://www.securityfocus.com/bid/105370
https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=f1b94e8a3ba49febdd3361c0214a1d1149251577
https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
https://usn.ubuntu.com/3864-1/
https://usn.ubuntu.com/3906-2/
https://www.debian.org/security/2018/dsa-4349
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