CVE-2023-3316

Published: 19 June 2023

A NULL pointer dereference in TIFFClose() is caused by a failure to open an output file (non-existent path or a path that requires permissions like /dev/null) while specifying zones.

Notes

Author	Note
mdeslaur	DoS only

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
tiff Launchpad, Ubuntu, Debian	lunar	Not vulnerable (4.5.0-5ubuntu1)
	trusty	Released (4.0.3-7ubuntu0.11+esm8) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	xenial	Released (4.0.6-1ubuntu0.8+esm11) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	bionic	Released (4.0.9-5ubuntu0.10+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	focal	Released (4.1.0+git191117-2ubuntu0.20.04.9)
	jammy	Released (4.3.0-6ubuntu0.5)
	kinetic	Ignored (end of life, was needed)
	upstream	Released (4.5.1~rc3-1)
	Patches: upstream: https://gitlab.com/libtiff/libtiff/-/commit/d63de61b1ec3385f6383ef9a1f453e4b8b11d536 (v4.5.1rc1)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Bugs

https://gitlab.com/libtiff/libtiff/-/issues/515

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