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Ubuntu 13.04 USN-1988-1 Critical: Cyrus SASL Denial Of Service

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Calendar Grey October 9, 2013
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Cyrus SASL may experience a failure due to specially created input, resulting in a Denial of Service (DoS) vulnerability. To address this issue, ensure your Ubuntu system is updated.
Cyrus SASL could be made to crash if it processed specially crafted input.

Summary

Cyrus SASL could be made to crash if it processed specially crafted input.

Software Description:

- cyrus-sasl2: Cyrus Simple Authentication and Security Layer

Details:

It was discovered that Cyrus SASL incorrectly handled certain invalid

password salts. An attacker could use this issue to cause Cyrus SASL to

crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu Cyrus SASL

Update Instructions

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

Ubuntu 13.04:
  libsasl2-2                      2.1.25.dfsg1-6ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-1988-1

CVE-2013-4122

Severity
critical
Lowest
Low
Medium
High
Critical

October 09, 2013

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu Cyrus SASL

Package Information

https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.25.dfsg1-6ubuntu0.1

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