Apple Xcode up to 8.3.3 ld64 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

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. 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. 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 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 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 l.

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 vulnerability database at Tenable (103359). Similar entries are available at 107068, 107069, 107071 and 107072.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Xcode 9.0

Timelineinfo

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 🔍

Sourcesinfo

Vendor: apple.com

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

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

See also: 🔍

Entryinfo

Created: 09/25/2017 11:03
Updated: 01/14/2021 10:42
Changes: 09/25/2017 11:03 (78), 11/19/2019 10:06 (6), 01/14/2021 10:35 (3), 01/14/2021 10:42 (1)
Complete: 🔍

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