CVE-2021-29136

Aliases:GHSA-9m95-8hx6-7p9vGO-2022-0815
Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 06 Apr 2021, 15:57
Last modified:03 Aug 2024, 22:02

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.15% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

06 Apr 2021, 15:57
Published
Vulnerability first disclosed
03 Aug 2024, 22:02
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.15%• Percentile: 35%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • github.com/opencontainers•umoci

    < 0.4.7

  • linuxfoundation•umoci

    < 0.4.7

  • sylabs•singularity

    < 3.7.3

References (4)