Vulnerability identifier: #VU39732

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9532

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system

Vendor: Debian

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Integer overflow in the writeBufferToSeparateStrips function in tiffcrop.c in LibTIFF before 4.0.7 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted tif file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Debian Linux: 8.0

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External links
http://bugzilla.maptools.org/show_bug.cgi?id=2592
http://www.debian.org/security/2017/dsa-3762
http://www.openwall.com/lists/oss-security/2016/11/11/14
http://www.openwall.com/lists/oss-security/2016/11/21/1
http://www.openwall.com/lists/oss-security/2016/11/22/1
http://www.securityfocus.com/bid/94424
http://bugzilla.redhat.com/show_bug.cgi?id=1397726
http://security.gentoo.org/glsa/201701-16

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.