Apple iOS up to 9.1 dyld input validation

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS up to 9.1. This issue affects some unknown processing of the component dyld. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2015-7079. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS up to 9.1 (Smartphone Operating System) and classified as very critical. This vulnerability affects an unknown part of the component dyld. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

dyld in Apple iOS before 9.2 and tvOS before 9.1 mishandles segment validation, which allows attackers to execute arbitrary code in a privileged context via a crafted app.

The weakness was published 12/08/2015 with PanguTeam as HT205635 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2015-7079 since 09/16/2015. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 06/29/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple segment validation issues existed in dyld. These were addressed through improved environment sanitization.

The vulnerability scanner Nessus provides a plugin with the ID 94050 (Apple TV < 9.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading to version 9.2 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 (94050), SecurityFocus (BID 78728†) and Vulnerability Center (SBV-55237†). Similar entries are available at VDB-79545, VDB-79546, VDB-79547 and VDB-79553. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94050
Nessus Name: Apple TV < 9.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9.2

Timelineinfo

09/16/2015 🔍
12/08/2015 +83 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/11/2015 +2 days 🔍
12/14/2015 +3 days 🔍
10/13/2016 +304 days 🔍
06/29/2022 +2085 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205635
Organization: PanguTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7079 (🔍)
GCVE (CVE): GCVE-0-2015-7079
GCVE (VulDB): GCVE-100-79600
SecurityFocus: 78728
SecurityTracker: 1034348
Vulnerability Center: 55237 - Apple iOS <9.2 Remote Code Execution Vulnerability in Dyld - CVE-2015-7079, Critical

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 12/09/2015 14:31
Updated: 06/29/2022 21:03
Changes: 12/09/2015 14:31 (52), 05/14/2018 10:48 (20), 06/29/2022 20:56 (3), 06/29/2022 21:03 (1)
Complete: 🔍
Cache ID: 216:1FC:103

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