Double Free in cURL - CVE-2023-27537

Vulnerability identifier: #VU73830

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-27537

CWE-ID: CWE-415

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when sharing HSTS data between connection. A remote attacker can initiate HSTS connection, trigger a double free error and execute arbitrary code on the target system.

cURL
Gentoo Linux
Amazon Linux AMI
PowerSC
IBM AIX
Slackware Linux
Fedora
Dell EMC PowerProtect Data Protection
Dell Data Protection Central
IBM Engineering Requirements Management DOORS Next
MaaS360 Configuration Utility
MaaS360 PKI Certificate Module
IBM MaaS360 Base Module
Storage Protect Plus Container Agent
Dell PowerProtect Cyber Recovery
IBM Spectrum Copy Data Management
IBM QRadar WinCollect Agent
IBM MaaS360 Mobile Enterprise Gateway
IBM MaaS360 Cloud Extender Agent
LANTIME Operating System Firmware (LTOS)
Splunk Universal Forwarder
Splunk Enterprise
IBM MaaS360 VPN Module
curl
net-misc/curl

Install updates from vendor's website.

cURL - update to 8.0.0
IBM Spectrum Copy Data Management - update to 2.2.21.0
LANTIME Operating System Firmware (LTOS) - update to 7.06.014
Splunk Universal Forwarder - addressed in versions 8.1.14, 8.2.11, 9.0.5
Splunk Enterprise - addressed in versions 8.2.12, 9.0.6, 9.1.1
IBM Engineering Requirements Management DOORS Next - update to 9.7.2.8
IBM QRadar WinCollect Agent - update to 10.1.4
IBM MaaS360 Mobile Enterprise Gateway - update to 3.000.100
IBM MaaS360 VPN Module - update to 3.000.100
MaaS360 Configuration Utility - update to 3.000.100
MaaS360 PKI Certificate Module - update to 3.000.100
IBM MaaS360 Base Module - update to 3.000.100
IBM MaaS360 Cloud Extender Agent - update to 3.000.100.069
curl - addressed in versions 7.85.0-8.fc37, 7.87.0-7.fc38
curl - update to 8.0.1
curl - update to 8.0.1-1
net-misc/curl - update to 8.3.0-r2
Storage Protect Plus Container Agent - update to 10.1.15.3
Dell PowerProtect Cyber Recovery - update to 19.14.0.1

• https://curl.haxx.se/docs/CVE-2023-27537.html

• Multiple vulnerabilities in cURL
• Slackware Linux update for curl
• Splunk Universal Forwarder update for third-party packages
• Multiple vulnerabilities in IBM MaaS360 Cloud Extender Agent, Mobile Enterprise Gateway, Configuration Utility, VPN, Certificate and Base Module
• Multiple vulnerabilities in IBM QRadar WinCollect Agent
• Multiple vulnerabilities in IBM PowerSC
• IBM AIX update for cURL
• Multiple vulnerabilities in Dell PowerProtect Cyber Recovery
• Multiple vulnerabilities in Dell Data Protection Central
• Fedora 37 update for curl
• Fedora 38 update for curl
• Splunk Enterprise update for third-party packages
• Multiple vulnerabilities in IBM Spectrum Copy Data Management
• Gentoo update for curl
• Multiple vulnerabilities in IBM Storage Protect Plus
• Multiple vulnerabilities in IBM Engineering Requirements Management DOORS/DWA
• Amazon Linux AMI update for curl
• Meinberg LANTIME firmware update for third-party components (May 2023)