CVE-2021-29136

Published: 6 April 2021

Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or "umoci raw unpack" is used.

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
umoci Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Needed
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needed
	kinetic	Ignored (end of life, was needed)
	lunar	Not vulnerable (0.4.7+ds-2build1)
	mantic	Not vulnerable (0.4.7+ds-2build1)
	noble	Not vulnerable (0.4.7+ds-2build1)
	trusty	Does not exist
	upstream	Released (0.4.7+ds-1)
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	5.5
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References

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