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Ubuntu 12.04 LTS USN-2339-1 Critical GnuPG Information Exposure

ubuntu
Calendar Grey September 3, 2014
Scroller Ubuntu
Critical data could be compromised owing to GnuPG weaknesses in certain Ubuntu releases. Patch promptly for protection!
GnuPG could expose sensitive information when performing decryption.

Summary

GnuPG could expose sensitive information when performing decryption.

Software Description:

- gnupg: GNU privacy guard - a free PGP replacement

Details:

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG 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 gnupg critical software update information exposure ubuntu decryption attack

Update Instructions

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

Ubuntu 12.04 LTS:
  gnupg                           1.4.11-3ubuntu2.7

Ubuntu 10.04 LTS:
  gnupg                           1.4.10-2ubuntu1.7

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

References

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

CVE-2014-5270

Severity
critical
Lowest
Low
Medium
High
Critical

September 03, 2014

Topics%20covered

Topics Covered

security advisory gnupg critical software update information exposure ubuntu decryption attack

Package Information

https://launchpad.net/ubuntu/+source/gnupg/1.4.11-3ubuntu2.7
https://launchpad.net/ubuntu/+source/gnupg/1.4.10-2ubuntu1.7

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