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

Summaryinfo

A vulnerability classified as critical has been found in Apple Xcode up to 8.3.3. This affects an unknown function of the component ld64. This manipulation causes memory corruption. This vulnerability is handled as CVE-2017-7136. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Xcode up to 8.3.3 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component ld64. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 09/19/2017. The weakness was released 09/20/2017 by riusksk with Tencent as HT208103 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The public release was coordinated with Apple. This vulnerability is known as CVE-2017-7136 since 03/17/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly 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 databases at Tenable (103359) and SecurityFocus (BID 100894†). Entries connected to this vulnerability are available at VDB-107068, VDB-107069, VDB-107070 and VDB-107072. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

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

Physical: Partially
Local: Yes
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-2017-7136 (🔍)
GCVE (CVE): GCVE-0-2017-7136
GCVE (VulDB): GCVE-100-107071
SecurityFocus: 100894 - Apple Xcode Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1039386

See also: 🔍

Entryinfo

Created: 09/25/2017 11:03
Updated: 01/14/2021 10:52
Changes: 09/25/2017 11:03 (78), 11/19/2019 10:09 (6), 01/14/2021 10:46 (3), 01/14/2021 10:52 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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