Apple tvOS up to 11.1 Wi-Fi random values

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple tvOS up to 11.1 and classified as critical. Impacted is an unknown function of the component Wi-Fi. Performing a manipulation results in random values. This vulnerability is cataloged as CVE-2017-13080. The attack must originate from the local network. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple tvOS up to 11.1 (Digital Media Player). This affects an unknown part of the component Wi-Fi. The manipulation with an unknown input leads to a random values vulnerability. 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 shared 12/04/2017 by Mathy Vanhoef as HT208327 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. The attack needs to be done within the local network. 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 $0-$5k. 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 11.2 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†). The entries VDB-80765, VDB-81483, VDB-81521 and VDB-99400 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: tvOS 11.2

Timelineinfo

04/03/2017 🔍
08/22/2017 +141 days 🔍
10/16/2017 +55 days 🔍
10/17/2017 +1 days 🔍
11/13/2017 +27 days 🔍
12/04/2017 +21 days 🔍
12/04/2017 +0 days 🔍
12/10/2017 +6 days 🔍
01/26/2021 +1143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208327
Researcher: Mathy Vanhoef
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13080 (🔍)
GCVE (CVE): GCVE-0-2017-13080
GCVE (VulDB): GCVE-100-110379

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 12/10/2017 08:55
Updated: 01/26/2021 09:48
Changes: 12/10/2017 08:55 (71), 12/13/2019 08:35 (16), 01/26/2021 09:48 (3)
Complete: 🔍
Cache ID: 216::103

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