Data Handling in macOS - CVE-2014-8835
Published: January 30, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40921
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2014-8835
CWE-ID: CWE-19
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The xpc_data_get_bytes function in libxpc in Apple OS X before 10.10.2 does not verify that a dictionary's Attributes key has the xpc_data data type, which allows attackers to execute arbitrary code by providing a crafted dictionary to sysmond, related to an "XPC type confusion" issue.
How to mitigate CVE-2014-8835
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
- http://packetstormsecurity.com/files/135701/OS-X-Sysmond-XPC-Type-Confusion-Privilege-Escalation.html
- http://support.apple.com/HT204244
- http://www.exploit-db.com/exploits/35742/
- http://www.securityfocus.com/bid/71992
- http://www.securitytracker.com/id/1031650
- https://code.google.com/p/google-security-research/issues/detail?id=121
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100530