Apple iOS up to 11.0.3 Wi-Fi KRACK random values

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 11.0.3. It has been rated as critical. This affects an unknown function of the component Wi-Fi. Performing a manipulation results in random values (KRACK). This vulnerability is known as CVE-2017-13080. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple iOS up to 11.0.3 (Smartphone Operating System). It has been classified as critical. This affects an unknown function of the component Wi-Fi. The manipulation with an unknown input leads to a random values vulnerability (KRACK). CWE is classifying the issue as CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Group Temporal Key (GTK) during the group key handshake, allowing an attacker within radio range to replay frames from access points to clients.

The bug was discovered 10/16/2017. The weakness was published 10/31/2017 by Mathy Vanhoef as HT208222 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13080 since 08/22/2017. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK. The advisory points out:

A logic issue existed in the handling of state transitions. This was addressed with improved state management.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 104511 (GLSA-201711-03 : hostapd and wpa_supplicant: Key Reinstallation (KRACK) attacks (KRACK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176821 (Debian Security Update for firmware-nonfree (DLA 1573-1)).

Upgrading to version 11.1 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 (104511) and SecurityFocus (BID 97367†). Similar entries are available at VDB-80765, VDB-81483, VDB-81521 and VDB-99400. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: KRACK
Class: Random values / KRACK
CWE: CWE-330 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 104511
Nessus Name: GLSA-201711-03 : hostapd and wpa_supplicant: Key Reinstallation (KRACK) attacks (KRACK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3999-1 (wpa - security update)
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 11.1

Timelineinfo

04/03/2017 🔍
08/22/2017 +141 days 🔍
10/16/2017 +55 days 🔍
10/17/2017 +1 days 🔍
10/31/2017 +14 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
11/13/2017 +10 days 🔍
01/23/2021 +1167 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208222
Researcher: Mathy Vanhoef
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13080 (🔍)
GCVE (CVE): GCVE-0-2017-13080
GCVE (VulDB): GCVE-100-109095

OVAL: 🔍

SecurityFocus: 97367 - Google Android CVE-2017-0561 Remote Code Execution Vulnerability
SecurityTracker: 1039572

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

Entryinfo

Created: 11/03/2017 15:45
Updated: 01/23/2021 08:00
Changes: 11/03/2017 15:45 (73), 12/04/2019 09:44 (16), 01/23/2021 08:00 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!