Apple iOS up to 10.3.1 Foundation memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple iOS up to 10.3.1. This issue affects some unknown processing of the component Foundation. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-2523. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 10.3.1 (Smartphone Operating System). This issue affects an unknown code of the component Foundation. 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:

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. macOS before 10.12.5 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "Foundation" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via crafted data.

The bug was discovered 05/19/2017. The weakness was disclosed 05/22/2017 by Ian Beer with Google Project Zero (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2017-2523 since 12/01/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Google Security Research and been published 1 days after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $100k and more.

Upgrading to version 10.3.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42050) and SecurityFocus (BID 98584†). The entries VDB-101255, VDB-101256, VDB-101257 and VDB-101258 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: iOS 10.3.2

Timelineinfo

12/01/2016 🔍
05/19/2017 +169 days 🔍
05/22/2017 +3 days 🔍
05/22/2017 +0 days 🔍
05/22/2017 +0 days 🔍
05/22/2017 +0 days 🔍
05/23/2017 +1 days 🔍
05/23/2017 +0 days 🔍
02/08/2025 +2818 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2523 (🔍)
GCVE (CVE): GCVE-0-2017-2523
GCVE (VulDB): GCVE-100-101567
SecurityFocus: 98584 - Apple iOS/macOS/WatchOS/tvOS CVE-2017-2523 Memory Corruption Vulnerability
OSVDB: - CVE-2017-2523 - Apple - Multiple Products - Memory Corruption Issue

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

Entryinfo

Created: 05/22/2017 17:08
Updated: 02/08/2025 09:09
Changes: 05/22/2017 17:08 (71), 10/02/2020 21:13 (7), 02/08/2025 09:09 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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