Information disclosure in PortSwigger Burp Suite

1) Information disclosure

EUVDB-ID: #VU51847

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29416

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an HTML injection. A remote attacker can gain unauthorized access to sensitive information on the system or cause a denial of service (DoS) condition.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Burp Suite: before 2021.2

External links

http://hackerone.com/reports/1054382
http://portswigger.net/burp/releases/professional-community-2020-12?requestededition=professional

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.