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Ubuntu Security Notice USN-2232-2

Ubuntu Security Notice USN-2232-2
Posted Jun 13, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2232-2 - USN-2232-1 fixed vulnerabilities in OpenSSL. The upstream fix for CVE-2014-0224 caused a regression for certain applications that use tls_session_secret_cb, such as wpa_supplicant. This update fixes the problem.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2014-0195, CVE-2014-0221, CVE-2014-0224, CVE-2014-3470
SHA-256 | d49b4026ed9759b0d6b4bb639439c57eca0db6792111a2adef6eb775ea9133f0

Ubuntu Security Notice USN-2232-2

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2232-2
June 12, 2014

openssl regression
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.04 LTS

Summary:

USN-2232-1 introduced a regression in OpenSSL.

Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools

Details:

USN-2232-1 fixed vulnerabilities in OpenSSL. The upstream fix for
CVE-2014-0224 caused a regression for certain applications that use
tls_session_secret_cb, such as wpa_supplicant. This update fixes the
problem.

Original advisory details:

J=C3=BCri Aedla discovered that OpenSSL incorrectly handled invalid DTLS
fragments. A remote attacker could use this issue to cause OpenSSL to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 12.04 LTS, Ubuntu 13.10, and
Ubuntu 14.04 LTS. (CVE-2014-0195)
Imre Rad discovered that OpenSSL incorrectly handled DTLS recursions. A
remote attacker could use this issue to cause OpenSSL to crash, resulting
in a denial of service. (CVE-2014-0221)
KIKUCHI Masashi discovered that OpenSSL incorrectly handled certain
handshakes. A remote attacker could use this flaw to perform a
man-in-the-middle attack and possibly decrypt and modify traffic.
(CVE-2014-0224)
Felix Gr=C3=B6bert and Ivan Fratri=C4=87 discovered that OpenSSL incorrectly handled
anonymous ECDH ciphersuites. A remote attacker could use this issue to
cause OpenSSL to crash, resulting in a denial of service. This issue only
affected Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS.
(CVE-2014-3470)

Update instructions:

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

Ubuntu 14.04 LTS:
libssl1.0.0 1.0.1f-1ubuntu2.3

Ubuntu 13.10:
libssl1.0.0 1.0.1e-3ubuntu1.5

Ubuntu 12.04 LTS:
libssl1.0.0 1.0.1-4ubuntu5.15

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2232-2
http://www.ubuntu.com/usn/usn-2232-1
https://launchpad.net/bugs/1329297

Package Information:
https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu2.3
https://launchpad.net/ubuntu/+source/openssl/1.0.1e-3ubuntu1.5
https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.15
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