Security
Security
A hash collision vulnerability in MaraDNS allows remote attackers to cause a Denial of Service condition.
| Package | net-dns/maradns on all architectures |
|---|---|
| Affected versions | < 1.4.09 |
| Unaffected versions | >= 1.4.09 |
MaraDNS is a proxy DNS server with permanent caching.
MaraDNS does not properly randomize hash functions to protect against hash collision attacks.
A remote attacker could send many specially crafted DNS recursive queries, possibly resulting in a Denial of Service condition.
There is no known workaround at this time.
All MaraDNS users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/maradns-1.4.09"
Release date
February 22, 2012
Latest revision
February 22, 2012: 1
Severity
normal
Exploitable
remote
Bugzilla entries