Division by zero in tiff (Alpine package)



Published: 2017-01-13
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 		tiff (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

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

Install update from vendor's website.

Vulnerable software versions

tiff (Alpine package): 4.0.1-r0 - 4.0.6-r2

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=581c640515472337e42489148e40baae123a09db
http://git.alpinelinux.org/aports/commit/?id=e4001acbab4517d0749da58afc46cf7973a32ed7


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.



###SIDEBAR###