#VU42992 Input validation error in macOS and macOS Server - CVE-2013-0966

Vulnerability identifier: #VU42992

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-0966

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system
macOS Server
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The Apple mod_hfs_apple module for the Apache HTTP Server in Apple Mac OS X before 10.8.3 does not properly handle ignorable Unicode characters, which allows remote attackers to bypass intended directory authentication requirements via a crafted pathname in a URI.

Mitigation
Install update from vendor's website.

Vulnerable software versions

macOS: 10.6.8, 10.7.0 - 10.7.5, 10.8.0 - 10.8.2

macOS Server: 10.6.8 - 10.8.2

---

External links
https://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html

---

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.