Vulnerability CVE-2021-3693


Published: 2021-08-23

Description:
LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

Type:

CWE-79

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

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Ledgersmb -> Ledgersmb 
Debian -> Debian linux 

 References:
https://ledgersmb.org/cve-2021-3693-cross-site-scripting
https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667
https://www.debian.org/security/2021/dsa-4962

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