Apple Xcode up to 10.2 ld64 Code Execution

A vulnerability was found in Apple Xcode up to 10.2 (Programming Tool Software). It has been declared as critical. This vulnerability affects an unknown functionality of the component ld64. The manipulation with an unknown input leads to a privilege escalation vulnerability (Code Execution). The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 09/26/2019 by Pan ZhenPeng with Qihoo 360 as HT210609 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2019-8722. 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 09/27/2019). The advisory points out:

Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4.

Upgrading to version 11.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Similar entries are available at 142364, 142358, 142359 and 142361.

Type

Vendor

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation / Code Execution (CWE-269)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Xcode 11.0

09/19/2019 Countermeasure disclosed
09/26/2019 +7 days Advisory disclosed
09/27/2019 +1 days VulDB entry created
09/27/2019 +0 days VulDB last updateVendor: apple.com

Advisory: HT210609
Researcher: Pan ZhenPeng
Organization: Qihoo 360
Status: Confirmed

CVE: CVE-2019-8722 (🔒)
See also: 🔒

Created: 09/27/2019 07:39 AM
Complete: 🔍

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