Man-in-the-Middle Vulnerability in libgit2 Package - CVE-2016-10130
Summary
UBUNTU-CVE-2016-10130: The http_connect function in transports/http.c in libgit2 before 0.24.6 and 0.25.x before 0.25.1 might allow man-in-the-middle attackers to spoof servers by leveraging clobbering of the error variable. Affects libgit2 versions 0.19.0-2 – 0.19.0-2ubuntu0.4+esm1. No fix is published. How to fix ↓
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Background
libgit2 is a portable, pure C implementation of the Git version control system. It provides a set of APIs to manage Git repositories and is widely used in various applications for version control functionalities. The package is essential for developers who require a lightweight and efficient way to interact with Git repositories. However, certain versions of libgit2 are susceptible to a vulnerability that could allow attackers to spoof server responses, potentially compromising the integrity of data transmitted over HTTP.
Vulnerability Detail
The vulnerability identified as CVE-2016-10130 exists in the http_connect function within the transports/http.c file of libgit2 versions prior to 0.24.6 and 0.25.x before 0.25.1. This flaw allows man-in-the-middle attackers to exploit the error variable clobbering, which could lead to server spoofing. As a result, attackers could intercept and manipulate communications between clients and servers, posing significant risks to data integrity and confidentiality.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, consider using secure connections (HTTPS) and validating server certificates to mitigate the risk of man-in-the-middle attacks until the package is updated.
Conclusion
The CVE-2016-10130 vulnerability in the libgit2 package poses significant risks due to its potential for man-in-the-middle attacks. It is crucial for users to update their packages to the latest patched versions to safeguard against these threats. Additionally, employing secure connection practices can help mitigate risks until updates are applied.
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FAQ
CVE-2016-10130 is a vulnerability in the libgit2 package that allows man-in-the-middle attackers to spoof servers due to an error variable clobbering issue.
Versions of libgit2 prior to 0.24.6 and 0.25.x before 0.25.1 are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The vulnerability can lead to man-in-the-middle attacks, allowing attackers to intercept and manipulate data transmitted between clients and servers.
If immediate updates are not possible, ensure that you are using secure connections and validate server certificates to reduce the risk of exploitation.
References
Related vulnerabilities
Recent vulnerabilities recorded for libgit2.
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