Apple iOS/iPadOS ImageIO out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been rated as critical. This vulnerability affects unknown code of the component ImageIO. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2021-1743. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS and iPadOS (Smartphone Operating System) (version unknown). This affects an unknown function of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 02/01/2021 by Mickey Jin, Junzhi Lu and Xingwei Lin as confirmed advisory (Website). This vulnerability is uniquely identified as CVE-2021-1743 since 12/08/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/09/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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: 🔍

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

Timelineinfo

12/08/2020 🔍
02/01/2021 +55 days 🔍
02/01/2021 +0 days 🔍
04/03/2021 +61 days 🔍
04/09/2021 +6 days 🔍

Sourcesinfo

Vendor: apple.com

Researcher: Mickey Jin, Junzhi Lu, Xingwei Lin
Status: Confirmed

CVE: CVE-2021-1743 (🔍)
GCVE (CVE): GCVE-0-2021-1743
GCVE (VulDB): GCVE-100-172263
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/03/2021 11:29
Updated: 04/09/2021 07:16
Changes: 04/03/2021 11:29 (33), 04/09/2021 07:11 (10), 04/09/2021 07:16 (18)
Complete: 🔍
Cache ID: 216::103

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