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CVE-2018-17000

Publication date 13 September 2018

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.

Status

Package Ubuntu Release Status
tiff 18.10 cosmic
Fixed 4.0.9-6ubuntu0.2
18.04 LTS bionic
Fixed 4.0.9-5ubuntu0.2
16.04 LTS xenial
Fixed 4.0.6-1ubuntu0.6
14.04 LTS trusty
Fixed 4.0.3-7ubuntu0.11

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
tiff

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3906-1
    • LibTIFF vulnerabilities
    • 12 March 2019

Other references