Permissions, Privileges, and Access Controls in hostapd

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU43967

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2389

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

hostapd 0.7.3, and possibly other versions before 1.0, uses 0644 permissions for /etc/hostapd/hostapd.conf, which might allow local users to obtain sensitive information such as credentials.

Mitigation

Install update from vendor's website.

Vulnerable software versions

hostapd: 0.7.3

External links

http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081983.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:168
http://www.openwall.com/lists/oss-security/2012/05/23/13
http://www.openwall.com/lists/oss-security/2012/05/23/3
http://www.openwall.com/lists/oss-security/2012/05/23/5
http://bugzilla.novell.com/show_bug.cgi?id=740964
http://bugzilla.redhat.com/show_bug.cgi?id=824660

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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