CVE-2021-33570

Postbird 0.8.4 allows stored XSS via the onerror attribute of an IMG element in any PostgreSQL database table. This can result in reading local files via vectors involving XMLHttpRequest and open of a file:/// URL, or discovering PostgreSQL passwords via vectors involving Window.localStorage and savedConnections.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/Tridentsec-io/postbird	Exploit Third Party Advisory
https://github.com/Paxa/postbird/issues/134	Issue Tracking Third Party Advisory
https://github.com/Paxa/postbird/issues/132	Issue Tracking Third Party Advisory
https://github.com/Paxa/postbird/issues/133	Issue Tracking Third Party Advisory
http://packetstormsecurity.com/files/162831/Postbird-0.8.4-Cross-Site-Scripting-Local-File-Inclusion.html	Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/162872/Postbird-0.8.4-XSS-LFI-Insecure-Data-Storage.html	Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/49910	Exploit Third Party Advisory VDB Entry
https://tridentsec.io/blogs/postbird-cve-2021-33570/	Broken Link Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:postbird_project:postbird:0.8.4:*:*:*:*:*:*:*

Information

Published : 2021-05-25 15:15

Updated : 2022-06-03 11:54

NVD link : CVE-2021-33570

Mitre link : CVE-2021-33570

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

postbird_project

postbird

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