LibTIFF 4.0.7 Image input validation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in LibTIFF 4.0.7 (Image Processing Software) and classified as critical. This issue affects some unknown processing of the component Image Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

LibTIFF 4.0.7 has an "outside the range of representable values of type float" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image.

The bug was discovered 04/09/2017. The weakness was published 04/09/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at The identification of this vulnerability is CVE-2017-7596 since 04/09/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99636 (Debian DLA-911-1 : tiff security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276580 (Fedora Security Update for libtiff (FEDORA-2017-021bebae25)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99636). Similar entries are available at 99451, 99452, 99453 and 99454.






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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NVD Base Score: 7.8
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Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 99636
Nessus Name: Debian DLA-911-1 : tiff security update
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OpenVAS ID: 703844
OpenVAS Name: Debian Security Advisory DSA 3844-1 (tiff - security update)
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Recommended: Upgrade
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04/09/2017 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/24/2017 +15 days 🔍
04/25/2017 +1 days 🔍
11/28/2022 +2043 days 🔍



Advisory: USN-3602-1
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined

CVE: CVE-2017-7596 (🔍)

SecurityFocus: 97506 - LibTIFF CVE-2017-7596 Integer Overflow Vulnerability
OSVDB: - CVE-2017-7596 - libtiff - Denial of Service Issue

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Created: 04/09/2017 09:13 PM
Updated: 11/28/2022 07:04 AM
Changes: 04/09/2017 09:13 PM (75), 08/27/2020 05:10 PM (8), 11/28/2022 07:04 AM (4)
Complete: 🔍


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