Apple Xcode up to 8.3.3 ld64 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Apple Xcode up to 8.3.3 (Programming Tool Software) and classified as critical. This issue affects an unknown code of the component ld64. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The bug was discovered 09/19/2017. The weakness was shared 09/20/2017 by riusksk (riusksk) with Tencent as HT208103 as confirmed advisory (Website). The advisory is shared at The vendor cooperated in the coordination of the public release. The identification of this vulnerability is CVE-2017-7134 since 03/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/14/2021). The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103359 (Apple Xcode < 9.0 Multiple RCE (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context local.

Upgrading to version 9.0 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 SecurityFocus (BID 100894), SecurityTracker (ID 1039386) and Tenable (103359). The entries 107068, 107070, 107071 and 107072 are related to this item.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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NVD Base Score: 7.8
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 103359
Nessus Name: Apple Xcode < 9.0 Multiple RCE (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840987
OpenVAS Name: Apple Xcode Code Execution or Denial of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

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Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Exposure Time: 🔍

Upgrade: Xcode 9.0


03/17/2017 🔍
09/19/2017 +186 days 🔍
09/19/2017 +0 days 🔍
09/20/2017 +1 days 🔍
09/20/2017 +0 days 🔍
09/20/2017 +0 days 🔍
09/25/2017 +5 days 🔍
10/22/2017 +27 days 🔍
01/14/2021 +1180 days 🔍



Advisory: HT208103
Researcher: riusksk (riusksk)
Organization: Tencent
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2017-7134 (🔍)
SecurityFocus: 100894 - Apple Xcode Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1039386

See also: 🔍


Created: 09/25/2017 11:03 AM
Updated: 01/14/2021 10:32 AM
Changes: (1) advisory_person_name
Complete: 🔍


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