Apple Xcode up to 8.3.3 ld64 memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.07

A vulnerability was found in Apple Xcode up to 8.3.3 (Programming Tool Software). It has been classified as critical. Affected is an unknown code block of the component ld64. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 09/19/2017. The weakness was published 09/20/2017 by riusksk (riusksk) with Tencent as HT208103 as confirmed advisory (Website). The advisory is available at support.apple.com. The public release has been coordinated with the vendor. This vulnerability is traded as CVE-2017-7135 since 03/17/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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). Similar entries are available at 107068, 107069, 107071 and 107072.

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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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

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Xcode 9.0

Timelineinfoedit

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 🔍

Sourcesinfoedit

Vendor: https://www.apple.com/

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

CVE: CVE-2017-7135 (🔍)
SecurityFocus: 100894 - Apple Xcode Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1039386

See also: 🔍

Entryinfoedit

Created: 09/25/2017 11:03 AM
Updated: 01/14/2021 10:42 AM
Changes: (1) advisory_person_name
Complete: 🔍

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