Apple iOS up to 6.1.2 Macho-O Executable File memory corruption

CVSS Meta Temp Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS up to 6.1.2. This affects an unknown function of the component Macho-O Executable File Handler. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2013-0977. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 6.1.2 (Smartphone Operating System) and classified as critical. Affected by this issue is an unknown part of the component Macho-O Executable File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

dyld in Apple iOS before 6.1.3 and Apple TV before 5.2.1 does not properly manage the state of file loading for Mach-O executable files, which allows local users to bypass intended code-signing requirements via a file that contains overlapping segments.

The weakness was published 03/19/2013 by evad3rs as HT5704 as confirmed advisory (Apple Security Announce). The advisory is shared for download at support.apple.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2013-0977 since 01/10/2013. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available.

A private exploit has been developed by evad3rs. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 65633 (Apple iOS < 6.1.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version 6.1.3 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 X-Force (82932), Tenable (65633), SecurityFocus (BID 58586†), OSVDB (91526†) and Secunia (SA52173†). Similar entries are available at VDB-7739, VDB-8059, VDB-8061 and VDB-8062. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: evad3rs

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65633
Nessus Name: Apple iOS < 6.1.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 6.1.3

Timelineinfo

01/10/2013 🔍
02/15/2013 +36 days 🔍
03/19/2013 +32 days 🔍
03/19/2013 +0 days 🔍
03/19/2013 +0 days 🔍
03/19/2013 +0 days 🔍
03/20/2013 +1 days 🔍
03/25/2013 +5 days 🔍
12/17/2014 +632 days 🔍
05/06/2021 +2332 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5704
Researcher: evad3rs
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0977 (🔍)
GCVE (CVE): GCVE-0-2013-0977
GCVE (VulDB): GCVE-100-8060
X-Force: 82932
SecurityFocus: 58586 - Apple iPhone/iPad/iPod touch Prior to iOS 6.1.3 CVE-2013-0977 Security Bypass Vulnerability
Secunia: 52173 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 91526
Vulnerability Center: 47684 - Apple iOS <6.1.3 and Apple TV <5.2.1 dyld Local Code Execution Vulnerability via a File that Contains Overlapping Segments, Medium

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

Entryinfo

Created: 03/25/2013 12:46
Updated: 05/06/2021 14:22
Changes: 03/25/2013 12:46 (77), 06/16/2017 04:08 (3), 05/06/2021 14:22 (4)
Complete: 🔍
Committer:
Cache ID: 216::103

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