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hackeroneKljunowskyH1:1369288
HistoryOct 13, 2021 - 12:36 p.m.

MariaDB: Path Traversal CVE-2021-26086 CVE-2021-26085

2021-10-1312:36:15
kljunowsky
hackerone.com
173

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.967 High

EPSS

Percentile

99.4%

These vulnerabilities were found with https://trickest.com https://trickest.io

CVE-2021-26085:

>https://jira.mariadb.org:/s/123cfx/_/;/WEB-INF/web.xml

CVE-2021-26086:

>https://jira.mariadb.org/s/cfx/_/;/WEB-INF/web.xml

Video explanation:

Node EOF-RAW-DATA:

  • Found Jira hosts from various bug bounty programs convert to file

Node SED-ADD-AT-BEGINNING:

  • Append https:// to every line

Node PASTE-JIRA-PATHS

  • Converts Jira paths to file

Node MEG(tool)

  • Requesting URLs and paths from the file

Node IS-IT-JIRA?

  • Checking if the requested URL is Jira

Node TAKE-JIRA-URLs

  • Parsing previous nodes to get raw URLs

Node CVE-2021-26086

  • Converts payloads to a file

Node CVE-2021-26085

  • Converts payloads to a file

Node RECURSIVELY-CAT-ALL

  • Converts payloads file into one

Node MEG (2)

  • Requesting URLs and paths from the file

Node VALIDATE CVE-2021-26086

  • Validates CVEs by searching for β€œ<web-app </web-app>” in meg responses

Impact

CVE-2021-26086 allows remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint
CVE-2021-26085 allows remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint.

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.967 High

EPSS

Percentile

99.4%