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cvelistGitHub_MCVELIST:CVE-2021-21269
HistoryJan 20, 2021 - 5:50 p.m.

CVE-2021-21269 Path Traversal in Keymaker

2021-01-2017:50:34
CWE-22
GitHub_M
www.cve.org
2
keymaker
mastodon community finder
path traversal
vulnerability
rust
join method
version 0.2.0

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

30.8%

Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust join method without checking user input might have made it abe to do a Path Traversal attack causing to read more files than allowed. This is fixed in version 0.2.0.

CNA Affected

[
  {
    "product": "keymaker",
    "vendor": "keymaker-mx",
    "versions": [
      {
        "status": "affected",
        "version": "< 0.2.0"
      }
    ]
  }
]

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

30.8%

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