crypt() may return NULL, so one should not directly attempt to strcmp() or strdup() its return value. This can happen in various cases, for example when the host is running in FIPS mode and the hash algorithm specified in the salt , eg MD5 using $1$, is not allowed. Attached patch fixes this,
Created attachment 580202 [details] patch hanlding crypt() returning NULL
Applied, thanks!
cyrus-sasl-2.1.23-30.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/cyrus-sasl-2.1.23-30.fc17
Package cyrus-sasl-2.1.23-30.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing cyrus-sasl-2.1.23-30.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-9916/cyrus-sasl-2.1.23-30.fc17 then log in and leave karma (feedback).
cyrus-sasl-2.1.23-30.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.