#VU103977 Integer overflow in LibTIFF - CVE-2015-8870

Vulnerability identifier: #VU103977

Vulnerability risk: High

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-8870

CWE-ID: CWE-190

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 attacker to cause a denial of service (heap-based buffer over-read), or possibly obtain sensitive information from process memory.

The vulnerability exists in tools/bmp2tiff.c in LibTIFF. A remote attacker can pass specially crafted width and length values in RLE4 or RLE8 data in a BMP file to the application, trigger integer overflow and cause a denial of service (heap-based buffer over-read), or possibly obtain sensitive information from process memory

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

Vulnerable software versions

LibTIFF: 3.4 - 4.0.10

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External links
https://download.osgeo.org/libtiff/tiff-4.0.4.tar.gz
https://rhn.redhat.com/errata/RHSA-2017-0225.html
https://www.floyd.ch/?p=874BMP
https://www.securityfocus.com/bid/94717

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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.