Apple Safari up to 11.0.2 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Safari up to 11.0.2. Affected is an unknown function. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-4147. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 11.0.2 (Web Browser). It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In iCloud for Windows before 7.3, Safari before 11.0.3, iTunes before 12.7.3 for Windows, and iOS before 11.2.5, multiple memory corruption issues exist and were addressed with improved memory handling.

The bug was discovered 01/23/2018. The weakness was published 10/18/2018 as HT208463 (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2018-4147 since 01/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/28/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 268 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 11.0.3 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

Similar entries are available at VDB-112583, VDB-112603, VDB-112591 and VDB-112592. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

Upgrade: Safari 11.0.3

Timelineinfo

01/02/2018 🔍
01/23/2018 +21 days 🔍
10/18/2018 +268 days 🔍
11/17/2018 +30 days 🔍
01/11/2019 +55 days 🔍
01/12/2019 +1 days 🔍
04/28/2020 +472 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208463
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4147 (🔍)
GCVE (CVE): GCVE-0-2018-4147
GCVE (VulDB): GCVE-100-129095
See also: 🔍

Entryinfo

Created: 01/12/2019 11:56
Updated: 04/28/2020 20:50
Changes: 01/12/2019 11:56 (62), 04/28/2020 20:50 (3)
Complete: 🔍
Cache ID: 216::103

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

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