| CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. | Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. | CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
A vulnerability has been found in Apple Xcode up to 8.3.3 (Programming Tool Software) and classified as critical. This vulnerability affects an unknown part 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. As an impact it is known to affect confidentiality, integrity, and availability.
The bug was discovered 09/19/2017. The weakness was presented 09/20/2017 by riusksk (riusksk) with Tencent as HT208103 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2017-7076 since 03/17/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. 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 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). See 107069, 107070, 107071 and 107072 for similar entries.
Product
Type
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 7.0VulDB 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: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
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 Intelligence
Threat: 🔍Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Xcode 9.0
Timeline
03/17/2017 🔍09/19/2017 🔍
09/19/2017 🔍
09/20/2017 🔍
09/20/2017 🔍
09/20/2017 🔍
09/25/2017 🔍
10/22/2017 🔍
01/14/2021 🔍
Sources
Vendor: https://www.apple.com/Advisory: HT208103
Researcher: riusksk (riusksk)
Organization: Tencent
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2017-7076 (🔍)
SecurityFocus: 100894 - Apple Xcode Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1039386
See also: 🔍
Entry
Created: 09/25/2017 11:03 AMUpdated: 01/14/2021 10:26 AM
Changes: (1) advisory_person_name
Complete: 🔍
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