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Ubuntu 14.04 LTS USN-2308-1 Critical: OpenSSL DoS Issues

ubuntu
Calendar Grey August 7, 2014
Scroller Ubuntu
Essential security enhancement USN-2309-2 addresses several vulnerabilities in OpenSSL for Ubuntu impacting versions 16.04 and 18.04.
Several security issues were fixed in OpenSSL.

Summary

Several security issues were fixed in OpenSSL.

Software Description:

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

Details:

Adam Langley and Wan-Teh Chang discovered that OpenSSL incorrectly handled

certain DTLS packets. A remote attacker could use this issue to cause

OpenSSL to crash, resulting in a denial of service. (CVE-2014-3505)

Adam Langley discovered that OpenSSL incorrectly handled memory when

processing DTLS handshake messages. A remote attacker could use this issue

to cause OpenSSL to consume memory, resulting in a denial of service.

(CVE-2014-3506)

Adam Langley discovered that OpenSSL incorrectly handled memory when

processing DTLS fragments. A remote attacker could use this issue to cause

OpenSSL to leak memory, resulting in a denial of service. This issue

only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-3507)

Ivan Fratric discovered that OpenSSL incorrectly leaked information in

the pretty printing func...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical issue DoS Ubuntu OpenSSL

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-1ubuntu2.5

Ubuntu 12.04 LTS:
  libssl1.0.0                     1.0.1-4ubuntu5.17

Ubuntu 10.04 LTS:
  libssl0.9.8                     0.9.8k-7ubuntu8.20

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

References

https://ubuntu.com/security/notices/USN-2308-1

CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3508,

CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512,

CVE-2014-5139

Severity
critical
Lowest
Low
Medium
High
Critical

August 07, 2014

Topics%20covered

Topics Covered

security advisory critical issue DoS Ubuntu OpenSSL

Package Information

https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu2.5
https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.17
https://launchpad.net/ubuntu/+source/openssl/0.9.8k-7ubuntu8.20

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