Apple iOS up to 9.2.0 syslog memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple iOS up to 9.2.0. Affected by this issue is some unknown functionality of the component syslog. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-1722. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 9.2.0 (Smartphone Operating System). This issue affects some unknown processing of the component syslog. 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. The summary by CVE is:

syslog in Apple iOS before 9.2.1, OS X before 10.11.3, and tvOS before 9.1.1 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors.

The weakness was published 01/19/2016 by Joshua J. Drake and Nikias Bassen with Zimperium zLabs as HT205732 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-1722 since 01/13/2016. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 88418 (Apple TV < 9.1.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124584 (Apple Mac OS X v10.11.3 and Security Update 2016-001 Not Installed (APPLE-SA-2016-01-19-2)).

Upgrading to version 9.2.1 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 (88418), SecurityFocus (BID 81277†) and Vulnerability Center (SBV-57532†). Similar entries are available at VDB-79234, VDB-80331, VDB-80332 and VDB-80333. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88418
Nessus Name: Apple TV < 9.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9.2.1

Timelineinfo

01/13/2016 🔍
01/19/2016 +6 days 🔍
01/19/2016 +0 days 🔍
01/19/2016 +0 days 🔍
01/21/2016 +2 days 🔍
01/27/2016 +6 days 🔍
02/01/2016 +5 days 🔍
03/21/2016 +49 days 🔍
03/22/2016 +1 days 🔍
07/03/2022 +2294 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205732
Researcher: Joshua J. Drake, Nikias Bassen
Organization: Zimperium zLabs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1722 (🔍)
GCVE (CVE): GCVE-0-2016-1722
GCVE (VulDB): GCVE-100-80345
SecurityFocus: 81277 - Apple Mac OS X and iOS Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1034736
Vulnerability Center: 57532 - Apple Mac OS X 10.11-10.11.2 Local Code Execution in Syslog, Medium

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

Entryinfo

Created: 01/21/2016 09:35
Updated: 07/03/2022 18:55
Changes: 01/21/2016 09:35 (79), 02/02/2019 10:58 (12), 07/03/2022 18:55 (3)
Complete: 🔍
Cache ID: 216:9C7:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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