Input validation error in cURL - CVE-2023-27534

 

Input validation error in cURL - CVE-2023-27534

Published: March 20, 2023


Vulnerability identifier: #VU73827
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-27534
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input in the SFTP support when handling the tilde "~" character in the filepath. cURL will replace the tilde character to the current user's home directory and can reveal otherwise restricted files.


Affected software

cURL
Event Streams
Oracle Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
Gentoo Linux
Amazon Linux AMI
PowerSC
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Enterprise Storage
IBM AIX
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Server 12 SP4 LTSS
Slackware Linux
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
Fedora
VMware Tanzu Application Service for VMs
Isolation Segment
Data Lakehouse
Red Hat OpenShift Builds
cert-manager Operator for Red Hat OpenShift
IBM Spectrum Copy Data Management
Dell Secure Connect Gateway
IBM QRadar WinCollect Agent
Infrastructure Technology
IBM MaaS360 Mobile Enterprise Gateway
IBM MaaS360 Cloud Extender Agent
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
Telemetry Dashboard
Liquidware
IBM Engineering Requirements Management DOORS Next
SmartFabric OS10
Citrix Workspace App
Webex App VDI
cflinuxfs3
ObjectScale
IBM MaaS360 Base Module
MaaS360 PKI Certificate Module
MaaS360 Configuration Utility
Enterprise SONiC
Platform Automation Toolkit
Storage Ceph
Storage Protect Plus Container Agent
EMC Cloud Tiering Appliance
Dell PowerProtect Cyber Recovery
LANTIME Operating System Firmware (LTOS)
Splunk Universal Forwarder
Splunk Enterprise
Cisco Jabber
Cisco Webex Meetings
VMware Horizon Client
libnghttp2-14-32bit
libnghttp2-14-debuginfo-32bit
libnghttp2-14
libnghttp2-14-debuginfo
nghttp2-debugsource
libnghttp2-devel
nghttp2-debuginfo
libcurl3-nss (Ubuntu package)
libcurl3-gnutls (Ubuntu package)
libcurl4 (Ubuntu package)
curl (Ubuntu package)
libcurl4-debuginfo-32bit
curl
curl-debuginfo
libcurl4
curl-debugsource
libcurl4-32bit
libcurl4-debuginfo
libcurl-devel
libcurl4-32bit-debuginfo
libcurl
curl-help
curl (Red Hat package)
libcurl-devel-32bit
net-misc/curl
VMware Tanzu Operations Manager
IBM MaaS360 VPN Module

How to mitigate CVE-2023-27534

Install updates from vendor's website.

cURL - update to 8.0.0
Data Lakehouse - update to 1.1.0.0
Red Hat OpenShift Builds - update to 1.0.1
Telemetry Dashboard - update to 1.1.0.6 on Thin OS 2405
cert-manager Operator for Red Hat OpenShift - update to 1.12.1
IBM Spectrum Copy Data Management - update to 2.2.21.0
Dell Secure Connect Gateway - update to 5.16
Liquidware - update to 6.7.0.2.2 on Thin OS 2405
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
SmartFabric OS10 - update to 10.5.4.11
Cisco Jabber - update to 14.3.0.308378.11 on Thin OS 2405
Citrix Workspace App - update to 24.2.0.65.17 on Thin OS 2405
Webex App VDI - update to 44.2.0.28744.1 on Thin OS 2405
Cisco Webex Meetings - update to 44.2.0.76.2 on Thin OS 2405
VMware Horizon Client - update to 2312.1.8.12.1.5 on Thin OS 2405
cflinuxfs3 - update to 0.357.0
ObjectScale - update to 1.4.0
libnghttp2-14-32bit - update to 1.39.2-3.20.1
libnghttp2-14-debuginfo-32bit - update to 1.39.2-3.20.1
libnghttp2-14 - update to 1.39.2-3.20.1
libnghttp2-14-debuginfo - update to 1.39.2-3.20.1
nghttp2-debugsource - update to 1.39.2-3.20.1
libnghttp2-devel - update to 1.39.2-3.20.1
nghttp2-debuginfo - update to 1.39.2-3.20.1
VMware Tanzu Operations Manager - update to 3.0.6
IBM MaaS360 Mobile Enterprise Gateway - update to 3.000.100
IBM MaaS360 Base Module - update to 3.000.100
MaaS360 PKI Certificate Module - update to 3.000.100
MaaS360 Configuration Utility - update to 3.000.100
IBM MaaS360 VPN Module - update to 3.000.100
IBM MaaS360 Cloud Extender Agent - update to 3.000.100.069
Enterprise SONiC - update to 4.2.1
Platform Automation Toolkit - addressed in versions 4.4.31, 5.0.24, 5.1.1
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data - update to 4.8.5
Storage Ceph - update to 6.1z3
libcurl3-nss (Ubuntu package) - addressed in versions 7.58.0-2ubuntu3.24, 7.68.0-1ubuntu2.18, 7.81.0-1ubuntu1.10, 7.85.0-1ubuntu0.5
libcurl3-gnutls (Ubuntu package) - addressed in versions 7.58.0-2ubuntu3.24, 7.68.0-1ubuntu2.18, 7.81.0-1ubuntu1.10, 7.85.0-1ubuntu0.5
libcurl4 (Ubuntu package) - addressed in versions 7.58.0-2ubuntu3.24, 7.68.0-1ubuntu2.18, 7.81.0-1ubuntu1.10, 7.85.0-1ubuntu0.5
curl (Ubuntu package) - addressed in versions 7.58.0-2ubuntu3.24, 7.68.0-1ubuntu2.18, 7.81.0-1ubuntu1.10, 7.85.0-1ubuntu0.5
libcurl4-debuginfo-32bit - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 8.0.1-11.117.1
curl - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.66.0-150200.4.72.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
curl-debuginfo - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.66.0-150200.4.72.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
libcurl4 - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.66.0-150200.4.72.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
curl-debugsource - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.66.0-150200.4.72.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
libcurl4-32bit - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
libcurl4-debuginfo - addressed in versions 7.60.0-4.56.1, 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.66.0-150200.4.72.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
libcurl-devel - addressed in versions 7.60.0-11.60.1, 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.79.1-150400.5.18.1, 8.0.1-11.117.1
libcurl4-32bit-debuginfo - addressed in versions 7.60.0-150000.51.1, 7.66.0-150200.4.52.1, 7.79.1-150400.5.18.1
curl - addressed in versions 7.61.1-12.104, 8.0.1-1
curl - addressed in versions 7.71.1-24, 7.79.1-15
libcurl - addressed in versions 7.71.1-24, 7.79.1-15
curl-debugsource - addressed in versions 7.71.1-24, 7.79.1-15
curl-debuginfo - addressed in versions 7.71.1-24, 7.79.1-15
libcurl-devel - addressed in versions 7.71.1-24, 7.79.1-15
curl-help - addressed in versions 7.71.1-24, 7.79.1-15
curl (Red Hat package) - update to 7.76.1-26.el9
libcurl-devel-32bit - update to 7.79.1-150400.5.18.1
curl - addressed in versions 7.82.0-14.fc36, 7.85.0-8.fc37, 7.87.0-7.fc38
curl - update to 8.0.1
net-misc/curl - update to 8.3.0-r2
Storage Protect Plus Container Agent - update to 10.1.15.3
Event Streams - update to 11.2.3
EMC Cloud Tiering Appliance - update to 13.1.0.2.33
Dell PowerProtect Cyber Recovery - update to 19.14.0.1

External References

Related Security Bulletins