Rule Category

FILE-OTHER -- Snort detected traffic targeting vulnerabilities in a file type that does not require enough rule coverage to have its own category.

Alert Message

FILE-OTHER FreeBSD bspatch utility remote code execution attempt

Rule Explanation

This rule alerts on traffic that exploits the vulnerability outlined in CVE-2014-9862.

What To Look For

This rule alerts on initial exploit traffic.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

CVE-2014-9862
Integer signedness error in bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted patch file.
Details
Severity Base Score7.8
Impact Score5.9 Exploit Score1.8
Confidentiality ImpactHIGH Integrity ImpactHIGH
Availability ImpactHIGH Access Vector
Authentication Ease of Access

MITRE ATT&CK Framework

Tactic: Execution

Technique: Exploitation for Client Execution

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org