Sendmail fails to appropriately initialize data structures for DNS maps

Overview There is an uninitialized data structure in sendmail 8.12.x rrdomain = smstrduphost; \t\tif rr-rrdomain == NULL \t\t A fix for this condition was made in sendmail 8.12.9 in March 2003, but it was not known to be a security issue at that time. --- Impact A remote attacker may be able to...