Vulnerability in libgcrypt11 - Security Update
Summary
DSA-3478-1: libgcrypt11 - security update. Affects libgcrypt11 versions < 1.5.0-5+deb7u4. Fixed in 1.5.0-5+deb7u4. How to fix ↓
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Background
libgcrypt11 is a library used for cryptographic functions in applications. It provides support for various encryption algorithms and key management. The library is commonly used in Debian 7 (wheezy) operating system. However, a vulnerability has been discovered in the library that could lead to the leakage of ECDH secret decryption keys through a side-channel attack.
Vulnerability Detail
The vulnerability in libgcrypt11 allows an attacker to exploit a side-channel attack to obtain ECDH secret decryption keys. This can result in the compromise of encrypted data and the potential for unauthorized access to sensitive information. The issue was discovered by Daniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer. More details about the vulnerability can be found at https://www.cs.tau.ac.IL/~tromer/ecdh/.
How To Fix
Minimum fixed version
1.5.0-5+deb7u4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libgcrypt11Tip — 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.
Conclusion
The vulnerability in libgcrypt11 can lead to the leakage of ECDH secret decryption keys, potentially compromising encrypted data and allowing unauthorized access to sensitive information. It is crucial to upgrade the libgcrypt11 package to version 1.5.0-5+deb7u4 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libgcrypt11 →
FAQ
libgcrypt11 is a cryptographic library used for encryption and key management in applications.
The vulnerability allows an attacker to obtain ECDH secret decryption keys, potentially leading to unauthorized access to sensitive information.
The vulnerability was discovered through a side-channel attack by Daniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer.
Yes, upgrading the libgcrypt11 package to version 1.5.0-5+deb7u4 or later fixes the vulnerability.
More details about the vulnerability can be found at https://www.cs.tau.ac.IL/~tromer/ecdh/.
Related vulnerabilities
Recent vulnerabilities recorded for libgcrypt11.
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