#VU103968 Out-of-bounds write in LibTIFF - CVE-2014-8128

Vulnerability identifier: #VU103968

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-2014-8128

CWE-ID: CWE-787

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 compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted TIFF image, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 3.4 - 4.0.3

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External links
https://lists.apple.com/archives/security-announce/2015/Jun/msg00001.html
https://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
https://openwall.com/lists/oss-security/2015/01/24/15
https://support.apple.com/kb/HT204941
https://support.apple.com/kb/HT204942
https://www.conostix.com/pub/adv/CVE-2014-8128-LibTIFF-Out-of-bounds_Writes.txt
https://bugzilla.redhat.com/show_bug.cgi?id=1185812

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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.