Heap overflow in processing patch files in FreeBSD and macOS - CVE-2014-9862

Vulnerability identifier: #VU216

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:C/VI:C/VA:C/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2014-9862

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: FreeBSD Foundation
Apple Inc.

Affected software:
FreeBSD
macOS

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in FreeBSD bsdiff. A remote unauthenticated attacker can cause a heap overflow by creating a specially crafted patch file loaded by the target user via bspatch.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Solution for this vulnerability can be found at:
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:25.bspatch.asc
https://support.apple.com/cs-cz/HT206903

• https://www.freebsd.org/security/advisories/FreeBSD-SA-16:25.bspatch.asc
• https://security.FreeBSD.org/