Security Update for curl in Debian 7 Wheezy
Summary
DLA-586-1: curl - security update. Affects curl versions < 7.26.0-1+wheezy14. Fixed in 7.26.0-1+wheezy14. How to fix ↓
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Background
Curl is a command-line tool and library for transferring data with URLs. It supports various protocols, including HTTP, HTTPS, FTP, and more. The vulnerability affects the curl package in Debian 7 Wheezy, specifically version 7.26.0-1+wheezy14.
Vulnerability Detail
The vulnerability, identified as CVE-2016-5419 and CVE-2016-5420, relates to how libcurl handles TLS sessions and client certificates. In the first case, libcurl attempts to resume a TLS session even if the client certificate has changed. In the second case, libcurl fails to consider client certificates when reusing TLS connections. These vulnerabilities could potentially lead to unauthorized access or other security breaches.
How To Fix
Minimum fixed version
7.26.0-1+wheezy14
This is the first release that contains the fix.
sudo apt-get install --only-upgrade curlTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to apply the security update as mentioned in the 'how_to_fix' section.
Conclusion
In conclusion, the curl package in Debian 7 Wheezy is affected by two vulnerabilities related to TLS session resumption and client certificate handling. To address these vulnerabilities, it is crucial to upgrade the curl package to version 7.26.0-1+wheezy14 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for curl →
FAQ
Libcurl is a library that allows applications to perform various network-related tasks, such as making HTTP requests, transferring files, and more.
A TLS session is a secure communication channel established between a client and a server using the Transport Layer Security (TLS) protocol.
A client certificate is a digital certificate that is used to authenticate a client (e.g., a user or a device) to a server during a TLS handshake.
These vulnerabilities could potentially allow an attacker to gain unauthorized access to sensitive information, perform man-in-the-middle attacks, or impersonate a legitimate client.
There is no specific information provided about known exploits for these vulnerabilities. However, it is always recommended to apply security updates promptly to mitigate any potential risks.
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