CVE-2023-38596
published 2023-09-27CVE-2023-38596: The issue was addressed with improved handling of protocols. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may fail…
PriorityP422medium5.5CVSS 3.1
AVLACLPRNUIRSUCNIHAN
EPSS
0.34%
25.9th percentile
The issue was addressed with improved handling of protocols. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may fail to enforce App Transport Security.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_17_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 17 | 17 |
| apple | ipados | < 17.0 | 17.0 |
| apple | iphone_os | < 17.0 | 17.0 |
| apple | macos | < 14.0 | 14.0 |
| apple | macos | >= unspecified < 14 | 14 |
| apple | macos_sonoma | — | — |
| apple | tvos | < 17.0 | 17.0 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < 17 | 17 |
| apple | watchos | < 10.0 | 10.0 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 10 | 10 |
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Apple
CVE-2023-38596: macOS Sonoma 14
vendor_apple·2023-09-26·CVSS 5.5
CVE-2023-38596 [MEDIUM] CVE-2023-38596: macOS Sonoma 14
Apple Security Update: About the security content of macOS Sonoma 14
Product: macOS Sonoma
Version: 14
CVE: CVE-2023-38596
Component: CFNetwork
Impact: An app may fail to enforce App Transport Security
Description: The issue was addressed with improved handling of protocols.
Apple
CVE-2023-38596: iOS 17 and iPadOS 17
vendor_apple·2023-09-18·CVSS 5.5
CVE-2023-38596 [MEDIUM] CVE-2023-38596: iOS 17 and iPadOS 17
Apple Security Update: About the security content of iOS 17 and iPadOS 17
Product: iOS 17 and iPadOS
Version: 17
CVE: CVE-2023-38596
Component: CFNetwork
Impact: An app may fail to enforce App Transport Security
Description: The issue was addressed with improved handling of protocols.
Apple
CVE-2023-38596: watchOS 10
vendor_apple·2023-09-18·CVSS 5.5
CVE-2023-38596 [MEDIUM] CVE-2023-38596: watchOS 10
Apple Security Update: About the security content of watchOS 10
Product: watchOS
Version: 10
CVE: CVE-2023-38596
Component: CFNetwork
Impact: An app may fail to enforce App Transport Security
Description: The issue was addressed with improved handling of protocols.
Apple
CVE-2023-38596: tvOS 17
vendor_apple·2023-09-18·CVSS 5.5
CVE-2023-38596 [MEDIUM] CVE-2023-38596: tvOS 17
Apple Security Update: About the security content of tvOS 17
Product: tvOS
Version: 17
CVE: CVE-2023-38596
Component: CFNetwork
Impact: An app may fail to enforce App Transport Security
Description: The issue was addressed with improved handling of protocols.
GHSA
GHSA-rjv4-w5rg-p55j: The issue was addressed with improved handling of protocols
ghsa_unreviewed·2023-09-27
CVE-2023-38596 [MEDIUM] GHSA-rjv4-w5rg-p55j: The issue was addressed with improved handling of protocols
The issue was addressed with improved handling of protocols. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may fail to enforce App Transport Security.
No detection rules found.
No public exploits indexed.
Trailofbits
The issue with ATS in Apple’s macOS and iOS
blogs_trailofbits·2023-10-30·CVSS 5.5
CVE-2023-38596 [MEDIUM] The issue with ATS in Apple’s macOS and iOS
Trail of Bits is publicly disclosing a vulnerability ( CVE-2023-38596 ) that affects iOS, iPadOS, and tvOS before version 17, macOS before version 14, and watchOS before version 10 . The flaw resides in Apple’s App Transport Security (ATS) protocol handling. We discovered that Apple’s ATS fails to require the encryption of connections to IP addresses and *.local hostnames, which can leave applications vulnerable to information disclosure vulnerabilities and machine-in-the-middle (MitM) attacks.
Note: Apple published an advisory on September 18, 2023 confirming that CVE-2023-38596 had been fixed.
## Background
ATS is a network security feature enabled by default in applications linked against iOS 9+ and macOS 10.11+ software development kits (SDK). ATS requires the use of the Transport L
Trailofbits
The issue with ATS in Apple’s macOS and iOS
blogs_trailofbits·2023-10-30·CVSS 5.5
CVE-2023-38596 [MEDIUM] The issue with ATS in Apple’s macOS and iOS
Trail of Bits is publicly disclosing a vulnerability (CVE-2023-38596) that affects iOS, iPadOS, and tvOS before version 17, macOS before version 14, and watchOS before version 10. The flaw resides in Apple’s App Transport Security (ATS) protocol handling. We discovered that Apple’s ATS fails to require the encryption of connections to IP addresses and *.local hostnames, which can leave applications vulnerable to information disclosure vulnerabilities and machine-in-the-middle (MitM) attacks.
Note: Apple published an advisory on September 18, 2023 confirming that CVE-2023-38596 had been fixed.
### Background
ATS is a network security feature enabled by default in applications linked against iOS 9+ and macOS 10.11+ software development kits (SDK). ATS requires the use of the Transport Lay
Trailofbits
Will Brattain
blogs_trailofbits·2023-10-30·CVSS 5.5
CVE-2023-38596 [MEDIUM] Will Brattain
Trail of Bits is publicly disclosing a vulnerability (CVE-2023-38596) that affects iOS, iPadOS, and tvOS before version 17, macOS before version 14, and watchOS before version 10. The flaw resides in Apple’s App Transport Security (ATS) protocol handling. We discovered that Apple’s ATS fails to require the encryption of connections to IP […]
http://seclists.org/fulldisclosure/2023/Oct/10http://seclists.org/fulldisclosure/2023/Oct/3http://seclists.org/fulldisclosure/2023/Oct/8http://seclists.org/fulldisclosure/2023/Oct/9https://support.apple.com/en-us/HT213936https://support.apple.com/en-us/HT213937https://support.apple.com/en-us/HT213938https://support.apple.com/en-us/HT213940http://seclists.org/fulldisclosure/2023/Oct/10http://seclists.org/fulldisclosure/2023/Oct/3http://seclists.org/fulldisclosure/2023/Oct/8http://seclists.org/fulldisclosure/2023/Oct/9https://support.apple.com/en-us/HT213936https://support.apple.com/en-us/HT213937https://support.apple.com/en-us/HT213938https://support.apple.com/en-us/HT213940https://support.apple.com/kb/HT213936https://support.apple.com/kb/HT213937https://support.apple.com/kb/HT213938https://support.apple.com/kb/HT213940
2023-09-27
Published