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GitHub_MCVE-2020-15110

HistoryJul 17, 2020 - 9:15 p.m.

CVE-2020-15110

2020-07-1721:15:12

CWE-863

GitHub_M

web.nvd.nist.gov

cve-2020-15110

jupyterhub-kubespawner

unauthorized access

security vulnerability

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

30.1%

JSON

In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.

Affected configurations

Nvd

Vulners

Node

jupyterhubkubespawnerRange<0.12

VendorProductVersionCPE
jupyterhubkubespawner*cpe:2.3:a:jupyterhub:kubespawner:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jupyterhub	kubespawner	*	cpe:2.3:a:jupyterhub:kubespawner::::::::

CNA Affected

[
  {
    "product": "kubespawner",
    "vendor": "jupyterhub",
    "versions": [
      {
        "status": "affected",
        "version": "< 0.12"
      }
    ]
  }
]

References

github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0

github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

30.1%

JSON

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