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cve[email protected]CVE-2021-41598
HistoryJan 25, 2022 - 8:15 p.m.

CVE-2021-41598

2022-01-2520:15:08
CWE-451
[email protected]
web.nvd.nist.gov
30
github
enterprise server
ui misrepresentation
vulnerability
unauthorized permissions
authorization flow
github app
web authentication
github bug bounty
nvd

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.2%

JSON

A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed more permissions to be granted during a GitHub App’s user-authorization web flow than was displayed to the user during approval. To exploit this vulnerability, an attacker would need to create a GitHub App on the instance and have a user authorize the application through the web authentication flow. All permissions being granted would properly be shown during the first authorization, but if the user later updated the set of repositories the app was installed on after the GitHub App had configured additional user-level permissions, those additional permissions would not be displayed, leading to more permissions being granted than the user potentially intended. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.2.5, 3.1.13, 3.0.21. This vulnerability was reported via the GitHub Bug Bounty program.

Affected configurations

Vulners
NVD
Node
githubenterprise_serverRange3.0–3.0.21
OR
githubenterprise_serverRange3.1–3.1.13
OR
githubenterprise_serverRange3.2–3.2.5
VendorProductVersionCPE
githubenterprise_server*cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*
githubenterprise_server*cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*
githubenterprise_server*cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "GitHub Enterprise Server",
    "vendor": "GitHub",
    "versions": [
      {
        "lessThan": "3.0.21",
        "status": "affected",
        "version": "3.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.1.13",
        "status": "affected",
        "version": "3.1",
        "versionType": "custom"
      },
      {
        "lessThan": "3.2.5",
        "status": "affected",
        "version": "3.2",
        "versionType": "custom"
      }
    ]
  }
]

Related

nvd 1
prion 1
cvelist 1
nvd
nvd
CVE-2021-41598
2022-01-25 20:15:08
prion
prion
Design/Logic Flaw
2022-01-25 20:15:00
cvelist
cvelist
CVE-2021-41598 UI misrepresentation of granted permissions in GitHub Enterprise Server leading to unauthorized access to user
2022-01-25 19:45:12

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.2%

JSON
Related for CVE-2021-41598
nvd1prion1cvelist1