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Ubuntu 14.04 LTS: USN-2339-2 Moderate: Libgcrypt Information Exposure

ubuntu
Calendar Grey September 3, 2014
Scroller Ubuntu
Libgcrypt encounters a significant data leakage vulnerability on Ubuntu systems, necessitating prompt updates to address critical concerns. Find out more!
Libgcrypt could expose sensitive information when performing decryption.

Summary

Libgcrypt could expose sensitive information when performing decryption.

Software Description:

- libgcrypt11: LGPL Crypto library

Details:

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that Libgcrypt was

susceptible to an adaptive chosen ciphertext attack via physical side

channels. A local attacker could use this attack to possibly recover

private keys.

Topics%20covered

Topics Covered

security advisory moderate Ubuntu attack information exposure decryption libgcrypt

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  libgcrypt11                     1.5.3-2ubuntu4.1

Ubuntu 12.04 LTS:
  libgcrypt11                     1.5.0-3ubuntu0.3

Ubuntu 10.04 LTS:
  libgcrypt11                     1.4.4-5ubuntu2.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2339-2

https://ubuntu.com/security/notices/USN-2339-1

CVE-2014-5270

Severity
important
Lowest
Low
Medium
High
Critical

September 03, 2014

Topics%20covered

Topics Covered

security advisory moderate Ubuntu attack information exposure decryption libgcrypt

Package Information

https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.3-2ubuntu4.1
https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.0-3ubuntu0.3
https://launchpad.net/ubuntu/+source/libgcrypt11/1.4.4-5ubuntu2.3

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