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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

Medium

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)
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