A buffer overflow in Cyrus-SASL might allow for the execution of arbitrary code in applications or daemons that authenticate using SASL.
|Package||dev-libs/cyrus-sasl on all architectures|
|Affected versions||< 2.1.23|
|Unaffected versions||>= 2.1.23|
Cyrus-SASL is an implementation of the Simple Authentication and Security Layer.
James Ralston reported that in certain situations, Cyrus-SASL does not properly terminate strings which can result in buffer overflows when performing Base64 encoding.
A remote unauthenticated user might send specially crafted packets to a daemon using Cyrus-SASL, possibly resulting in the execution of arbitrary code with the privileges of the user running the daemon or a Denial of Service.
There is no known workaround at this time.
All Cyrus-SASL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/cyrus-sasl-2.1.23"
July 12, 2009
July 12, 2009: 01