Apple iOS/iPadOS up to 14.6 WLAN SSID format string

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple iOS and iPadOS up to 14.6. Affected by this vulnerability is an unknown functionality of the component WLAN Handler. Executing a manipulation of the argument SSID can lead to format string. The identification of this vulnerability is CVE-2021-30800. The attack needs to be done within the local network. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS and iPadOS up to 14.6 (Smartphone Operating System). This vulnerability affects an unknown code block of the component WLAN Handler. The manipulation of the argument SSID with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect availability.

The weakness was shared 06/22/2021. The advisory is shared for download at twitter.com. This vulnerability was named CVE-2021-30800. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/23/2021). It is expected to see the exploit prices for this product increasing in the near future.

It is possible to download the exploit at twitter.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

Upgrading to version 14.7 eliminates this vulnerability.

Once again VulDB remains the best 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: 3.5
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS/iPadOS 14.7

Timelineinfo

06/22/2021 🔍
06/22/2021 +0 days 🔍
07/23/2021 +31 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: twitter.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-30800 (🔍)
GCVE (CVE): GCVE-0-2021-30800
GCVE (VulDB): GCVE-100-177364
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/22/2021 13:29
Updated: 07/23/2021 08:34
Changes: 06/22/2021 13:29 (41), 07/23/2021 08:34 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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