|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability, which was classified as critical, has been found in Apple Safari up to 16.2 (Web Browser). This issue affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software 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 weakness was presented 01/23/2023 by YeongHyeon Choi as HT213600 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-23517. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/24/2023). The advisory points out:
Processing maliciously crafted web content may lead to arbitrary code execution
Upgrading to version 16.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
The issue was addressed with improved memory handling.
CVSSv3VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: Safari 16.3
Timeline01/23/2023 Advisory disclosed
01/23/2023 +0 days Countermeasure disclosed
01/24/2023 +1 days VulDB entry created
01/24/2023 +0 days VulDB last update
Researcher: YeongHyeon Choi
CVE: CVE-2023-23517 (🔒)
EntryCreated: 01/24/2023 11:12 AM
Updated: 01/24/2023 11:15 AM
Changes: 01/24/2023 11:12 AM (19), 01/24/2023 11:15 AM (27)
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