Apple iOS up to 8.4.1 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple iOS up to 8.4.1. The affected element is an unknown function of the component WebKit. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2015-5803. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 8.4.1 (Smartphone Operating System). This affects some unknown processing of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/16/2015 by John Villamil with Apple as HT205212 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2015-5803 since 08/06/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for 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 11/21/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Visiting a maliciously crafted website may lead to arbitrary code execution

The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124142 (Apple Safari 9.0 Not Installed (APPLE-SA-2015-09-30-2)).

Upgrading to version 9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

These issues were addressed through improved memory handling.

The vulnerability is also documented in the databases at Tenable (86270) and SecurityFocus (BID 76763†). See VDB-9015, VDB-68413, VDB-74127 and VDB-77828 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802962
OpenVAS Name: Apple iTunes Multiple Vulnerabilities Sep15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9

Timelineinfo

08/06/2015 🔍
09/16/2015 +41 days 🔍
09/16/2015 +0 days 🔍
09/16/2015 +0 days 🔍
09/18/2015 +2 days 🔍
09/18/2015 +0 days 🔍
11/21/2024 +3352 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205212
Researcher: John Villamil
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5803 (🔍)
GCVE (CVE): GCVE-0-2015-5803
GCVE (VulDB): GCVE-100-77853
SecurityFocus: 76763 - Apple iOS and iTunes Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1033609

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

Entryinfo

Created: 09/18/2015 13:09
Updated: 11/21/2024 23:28
Changes: 09/18/2015 13:09 (50), 12/25/2017 12:35 (22), 06/16/2022 14:53 (4), 06/16/2022 14:56 (1), 11/21/2024 23:28 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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