#VU33706 Input validation error in LibTIFF - CVE-2017-7594

Vulnerability identifier: #VU33706

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/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-2017-7594

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor: LibTIFF

Description

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

The OJPEGReadHeaderInfoSecTablesDcTable function in tif_ojpeg.c in LibTIFF 4.0.7 allows remote attackers to cause a denial of service (memory leak) via a crafted image.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibTIFF: 4.0.7

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External links
https://bugzilla.maptools.org/show_bug.cgi?id=2659
https://www.debian.org/security/2017/dsa-3844
https://www.securityfocus.com/bid/97503
https://security.gentoo.org/glsa/201709-27
https://usn.ubuntu.com/3602-1/

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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.