CVE Vulnerability

CVE-2021-29136

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/04/06/2 Mailing List Patch
https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:linuxfoundation:umoci:*:*:*:*:*:*:*:*
cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*
Information

Published : 2021-04-06 04:15

Updated : 2021-05-20 02:32

NVD link : CVE-2021-29136

Mitre link : CVE-2021-29136

Products Affected
No products.
CWE
CWE-20