#VU50868 Information disclosure


Published: 2021-02-23

Vulnerability identifier: #VU50868

Vulnerability risk: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27515

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
url-parse
Web applications / Other software

Vendor: unshiftio

Description

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

The vulnerability exists due to the mishandling of backslash such as http:/. A remote attacker can send a specially crafted HTTP request and gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

url-parse: 0.0.4, 0.1, 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.2, 0.2.1, 0.2.2, 0.2.3, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.7, 1.1.8, 1.1.9, 1.2.0, 1.3.0, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7

CPE

External links
https://github.com/unshiftio/url-parse/commit/d1e7e8822f26e8a49794b757123b51386325b2b0
https://github.com/unshiftio/url-parse/compare/1.4.7...1.5.0
https://github.com/unshiftio/url-parse/pull/197


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.


Latest bulletins with this vulnerability