Vulnerability Monitor

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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.

Published

2021-04-06T16:15:16.520

Last Modified

2024-11-21T06:00:45.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	linuxfoundation	umoci	< 0.4.7	Yes
Application	sylabs	singularity	< 3.7.3	Yes

References

http://www.openwall.com/lists/oss-security/2021/04/06/2 Mailing List, Patch, Third Party Advisory ([email protected])
https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57 Patch, Third Party Advisory ([email protected])
https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/04/06/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)