LibTIFF up to 4.0.10 RGBA Image tif_getimage.c integer overflow

Summaryinfo

A vulnerability classified as critical was found in LibTIFF up to 4.0.10. This issue affects some unknown processing of the file tif_getimage.c of the component RGBA Image Handler. Such manipulation leads to integer overflow. This vulnerability is traded as CVE-2019-17546. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in LibTIFF up to 4.0.10 (Image Processing Software). Affected by this issue is an unknown function of the file tif_getimage.c of the component RGBA Image Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

tif_getimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-based buffer overflow via a crafted RGBA image, related to a "Negative-size-param" condition.

The weakness was shared 10/14/2019. This vulnerability is handled as CVE-2019-17546 since 10/14/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236703 (Alibaba Cloud Linux 3 : 0105: libtiff (ALINUX3-SA-2022:0105)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (236703). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• LibTIFF

Version

• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10

License

• open-source

Website

• Product: http://www.libtiff.org/

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Once again VulDB remains the best source for vulnerability data.

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