Division by zero in LibTIFF



| Updated: 2020-07-28
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2017-7595
CWE-ID CWE-369
Exploitation vector Local
Public exploit N/A
Vulnerable software
 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: #VU32122

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-7595

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 JPEGSetupEncode function in tiff_jpeg.c in LibTIFF 4.0.7. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a crafted image.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

CPE2.3 External links

https://www.debian.org/security/2017/dsa-3844
https://www.securityfocus.com/bid/97501
https://blogs.gentoo.org/ago/2017/04/01/libtiff-divide-by-zero-in-jpegsetupencode-tiff_jpeg-c
https://security.gentoo.org/glsa/201709-27
https://usn.ubuntu.com/3602-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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