Apple iOS up to 9.2 HTTPProtocol memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.7$5k-$25k0.00

A vulnerability classified as very critical was found in Apple iOS up to 9.2 (Smartphone Operating System). Affected by this vulnerability is an unknown function of the component HTTPProtocol. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The idle stream handling in nghttp2 before 1.6.0 allows attackers to have unspecified impact via unknown vectors, aka a heap-use-after-free bug.

The weakness was disclosed 03/21/2016 as HT206166 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2015-8659 since 12/23/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/11/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple vulnerabilities existed in nghttp2 versions prior to 1.6.0, the most serious of which may have led to remote code execution. These were addressed by updating nghttp2 to version 1.6.0.

The vulnerability scanner Nessus provides a plugin with the ID 89545 (Fedora 23 : nghttp2-1.6.0-1.fc23 (2016-54f85ec6e8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124842 (Apple Mac OS X v10.11.4 and Security Update 2016-002 Not Installed (APPLE-SA-2016-03-21-5)).

Upgrading to version 9.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (89545). The entries 80199, 81428, 81430 and 81431 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.7

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89545
Nessus Name: Fedora 23 : nghttp2-1.6.0-1.fc23 (2016-54f85ec6e8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 9.3

Timelineinfo

12/23/2015 🔍
01/07/2016 +15 days 🔍
01/11/2016 +4 days 🔍
03/04/2016 +52 days 🔍
03/21/2016 +17 days 🔍
03/21/2016 +0 days 🔍
03/21/2016 +0 days 🔍
03/22/2016 +1 days 🔍
03/23/2016 +1 days 🔍
07/11/2022 +2301 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206166
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8659 (🔍)
SecurityTracker: 1035353
Vulnerability Center: 57589 - Apple iOS <9.3 Remote Code Execution in HTTPProtocol, Critical
SecurityFocus: 80438 - Nghttp2 CVE-2015-8659 Unspecified Security Vulnerability

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

Entryinfo

Created: 03/23/2016 12:43
Updated: 07/11/2022 10:34
Changes: 03/23/2016 12:43 (77), 02/02/2019 11:10 (12), 07/11/2022 10:34 (3)
Complete: 🔍

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