Vulnerability Name:

CVE-2020-26232 (CCN-192300)

Assigned:2020-11-15
Published:2020-11-15
Updated:2020-12-02
Summary:Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a jupyter server could redirect the browser to a different website. All jupyter servers are technically affected, however, these maliciously crafted links can only be reasonably made for known jupyter server hosts. A link to your jupyter server may appear safe, but ultimately redirect to a spoofed server on the public internet.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-601
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-26232

Source: XF
Type: UNKNOWN
jupyterserver-cve202026232-open-redirct(192300)

Source: MISC
Type: Release Notes, Third Party Advisory
https://github.com/jupyter-server/jupyter_server/blob/master/CHANGELOG.md#106---2020-11-18

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/jupyter-server/jupyter_server/commit/3d83e49090289c431da253e2bdb8dc479cbcb157

Source: CCN
Type: Jupyter Server GIT Repository
Open redirect vulnerability

Source: CONFIRM
Type: Third Party Advisory
https://github.com/jupyter/jupyter_server/security/advisories/GHSA-grfj-wjv9-4f9v

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-26232

Vulnerable Configuration:Configuration 1:
  • cpe:/a:jupyter:jupyter_server:*:*:*:*:*:*:*:* (Version < 1.0.6)

    • Configuration CCN 1:
  • cpe:/a:jupyter:jupyter_server:1.0.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113269
    P
    		python36-jupyter-server-1.10.2-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106681
    P
    		python36-jupyter-server-1.10.2-1.2 on GA media (Moderate)
    2021-10-01
    BACK
    jupyter jupyter server *
    jupyter jupyter server 1.0.5