Cross-site scripting in bitcoin-abe - CVE-2020-11944

 

Cross-site scripting in bitcoin-abe - CVE-2020-11944

Published: April 21, 2020


Vulnerability identifier: #VU27060
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-11944
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Bitcoin-Abe
Affected software:
bitcoin-abe

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in "__call__" in "abe.py" when the PATH_INFO environment variable is mishandled during a PageNotFound exception. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2020-11944

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Sources