Apple iOS up to 10.3.3 libc resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 10.3.3. It has been declared as problematic. This vulnerability affects unknown code of the component libc. The manipulation results in resource consumption. This vulnerability was named CVE-2017-1000373. The attack needs to be approached locally. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 10.3.3 (Smartphone Operating System). Affected is some unknown processing of the component libc. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The bug was discovered 06/19/2017. The weakness was presented 09/25/2017 with Qualys as HT208112 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2017-1000373 since 06/19/2017. The attack needs to be approached locally. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A memory consumption issue was addressed through improved memory handling.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370434 (OpenBSD Advisory for kernel / glibc Elevation of Privileges (Stack Clash)).

Upgrading to version 11 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 Exploit-DB (42271) and SecurityFocus (BID 99177†). See VDB-102677, VDB-102678, VDB-107049 and VDB-107050 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
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OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT208144
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 11

Timelineinfo

06/19/2017 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/21/2017 +2 days 🔍
09/25/2017 +96 days 🔍
09/25/2017 +0 days 🔍
10/23/2017 +28 days 🔍
08/01/2025 +2839 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208112
Researcher: Qualys Research Labs
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000373 (🔍)
GCVE (CVE): GCVE-0-2017-1000373
GCVE (VulDB): GCVE-100-108408
SecurityFocus: 99177 - OpenBSD CVE-2017-1000373 Denial of Service Vulnerability
SecurityTracker: 1039427

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

Entryinfo

Created: 10/23/2017 11:18
Updated: 08/01/2025 14:08
Changes: 10/23/2017 11:18 (66), 11/29/2019 09:36 (15), 01/19/2021 14:57 (3), 01/19/2021 15:01 (1), 08/01/2025 14:08 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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