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Ubuntu 14.10: USN-2403-1 Moderate GnuTLS Denial Of Service Threat

ubuntu
Calendar Grey November 11, 2014
Scroller Ubuntu Esm H88
A critical GnuTLS flaw in Ubuntu may lead to system crashes or permit unauthorized code execution via maliciously crafted certificates.
GnuTLS could be made to crash or run programs if it processed a specially crafted certificate.

Summary

GnuTLS could be made to crash or run programs if it processed a specially

crafted certificate.

Software Description:

- gnutls28: GNU TLS library - commandline utilities

Details:

Sean Burford discovered that GnuTLS incorrectly handled printing certain

elliptic curve parameters. A malicious remote server or client could use

this issue to cause GnuTLS to crash, resulting in a denial of service, or

possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory moderate denial of service update instructions software issue ubuntu gnutls

Update Instructions

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

Ubuntu 14.10:
  gnutls-bin                      3.2.16-1ubuntu2.1
  libgnutls-deb0-28               3.2.16-1ubuntu2.1
  libgnutls-openssl27             3.2.16-1ubuntu2.1
  libgnutlsxx28                   3.2.16-1ubuntu2.1

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

References

https://ubuntu.com/security/notices/USN-2403-1

CVE-2014-8564

Severity
important
Lowest
Low
Medium
High
Critical

November 11, 2014

Topics%20covered

Topics Covered

security advisory moderate denial of service update instructions software issue ubuntu gnutls

Package Information

https://launchpad.net/ubuntu/+source/gnutls28/3.2.16-1ubuntu2.1

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