Division by zero in LibTIFF



Published: 2017-01-20 | Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-5323
CWE-ID CWE-369
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor LibTIFF

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Division by zero

EUVDB-ID: #VU32179

Risk: Medium

CVSSv3.1: 6.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5323

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to divide-by-zero error within The _TIFFFax3fillruns function in libtiff before 4.0.6. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a crafted Tiff image.

Mitigation

Update to version 4.0.6.

Vulnerable software versions

LibTIFF: 4.0.0 - 4.0.5

CPE2.3 External links

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html
http://www.debian.org/security/2017/dsa-3762
http://www.openwall.com/lists/oss-security/2016/06/15/6
http://www.securityfocus.com/bid/91196
http://security.gentoo.org/glsa/201701-16


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.



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