Vulnerability in mono - security update
Summary
DSA-3202-1: mono - security update. Affects mono versions < 2.10.8.1-8+deb7u1. Fixed in 2.10.8.1-8+deb7u1. How to fix ↓
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Background
Mono is a platform for running and developing applications based on the ECMA/ISO Standards. It provides a runtime environment and a set of libraries that enable developers to build cross-platform applications. Mono's TLS stack, responsible for handling secure communication, was found to have several vulnerabilities. These issues included client impersonation through SKIP-TLS, SSLv2 fallback, and encryption weakening via FREAK.
Vulnerability Detail
The vulnerabilities in Mono's TLS stack could allow attackers to impersonate clients, perform SSLv2 fallback attacks, and weaken encryption using the FREAK vulnerability. These vulnerabilities could lead to unauthorized access, data interception, and potential compromise of sensitive information.
How To Fix
Minimum fixed version
2.10.8.1-8+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade monoTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no mentioned workarounds for these vulnerabilities.
Conclusion
Upgrading the mono package to the fixed versions is crucial to mitigate the vulnerabilities in Mono's TLS stack. It is recommended to follow the provided instructions for the respective distributions. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for mono →
FAQ
Mono is a platform for running and developing applications based on the ECMA/ISO Standards. It provides a runtime environment and a set of libraries that enable developers to build cross-platform applications.
TLS (Transport Layer Security) is a cryptographic protocol used to secure communication over a network. It ensures the confidentiality and integrity of data exchanged between clients and servers.
Client impersonation refers to an attacker pretending to be a legitimate client in a communication session. In the context of these vulnerabilities, it means an attacker can impersonate a client and gain unauthorized access to a server.
SSLv2 fallback is a vulnerability that allows an attacker to force a client and server to use the insecure SSLv2 protocol instead of a more secure version. This can lead to the compromise of encrypted communication.
The FREAK vulnerability is a security flaw that allows attackers to weaken the encryption used in SSL/TLS connections. It can enable attackers to intercept and decrypt secure communication.
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