Apple iOS 8.1.2 iCloud Keychain Recovery memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple iOS 8.1.2 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the component iCloud Keychain Recovery. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflows in iCloud Keychain in Apple iOS before 8.2 and Apple OS X through 10.10.2 allow man-in-the-middle attackers to execute arbitrary code by modifying the client-server data stream during keychain recovery.

The weakness was presented 03/09/2015 by Andrey Belenko with NowSecure as HT204423 as confirmed advisory (Website). The advisory is shared for download at The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2015-1065 since 01/16/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/15/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 81730 (Mac OS X Multiple Vulnerabilities (Security Update 2015-002)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123362 (Apple Mac OS X Security Update 2015-002 Not Installed (APPLE-SA-2015-03-09-3) (FREAK)).

Upgrading to version 8.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (101489) and Tenable (81730).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 81730
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2015-002)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: iOS 8.2


01/16/2015 🔍
03/09/2015 +52 days 🔍
03/09/2015 +0 days 🔍
03/09/2015 +0 days 🔍
03/09/2015 +0 days 🔍
03/10/2015 +1 days 🔍
03/12/2015 +2 days 🔍
03/12/2015 +0 days 🔍
04/15/2022 +2591 days 🔍



Advisory: HT204423
Researcher: Andrey Belenko
Organization: NowSecure
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2015-1065 (🔍)
X-Force: 101489 - Apple iOS iCloud Keychain recovery buffer overflow
SecurityTracker: 1031864
Vulnerability Center: 48933 - Apple MacOS X 10.10 - 10.10.2 Remote Code Execution due to Multiple Buffer Overflows, Medium
SecurityFocus: 73007 - Apple Mac OS X and iOS CVE-2015-1065 Multiple Buffer Overflow Vulnerabilities

scip Labs:


Created: 03/12/2015 09:44 AM
Updated: 04/15/2022 11:09 AM
Changes: 03/12/2015 09:44 AM (75), 06/22/2017 10:33 AM (3), 04/15/2022 11:03 AM (3), 04/15/2022 11:09 AM (1)
Complete: 🔍
Cache ID: 100:712:40


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