Cross-site scripting in bitcoin-abe



Published: 2020-04-21 | Updated: 2020-04-21
Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2020-11944
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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bitcoin-abe
Web applications / Modules and components for CMS

Vendor Bitcoin-Abe

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU27060

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-11944

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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.

Mitigation

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

Vulnerable software versions

bitcoin-abe: 0.4, 0.4.1, 0.5, 0.6, 0.7, 0.7.1, 0.7.2

CPE2.3 External links

http://geeknik-labs.com
http://github.com/bitcoin-abe/bitcoin-abe/blob/d33f6e85de74e708e11cabe4ed0246e12025c726/Abe/abe.py#L253-L254
http://github.com/bitcoin-abe/bitcoin-abe/issues/292

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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