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ubuntucveUbuntu.comUB:CVE-2021-29136
HistoryApr 06, 2021 - 12:00 a.m.

CVE-2021-29136

2021-04-0600:00:00
ubuntu.com
ubuntu.com
15
open container initiative
vulnerability
symlink traversal
unix

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

17.2%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchumoci< anyUNKNOWN
ubuntu22.04noarchumoci< anyUNKNOWN

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

17.2%