#VU16502 Information disclosure in NetBSD

Vulnerability identifier: #VU16502

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NetBSD
Operating systems & Components / Operating system

Vendor: NetBSD Foundation, Inc

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in the handling of bozohttpd special files due to improper checking the return value of bozo_check_special_files(). A remote attacker can access contents of certain special files including configuration files for bozohttpd(8) and include the standard .htpasswd file for HTTP Basic Authorisation (RFC-7617), which contains both a list of user names and their encrypted passwords.

Mitigation
Install update from vendor's website.

Vulnerable software versions

NetBSD: 7.1 - 8.0

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External links
https://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2018-009.txt.asc

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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.