PowerDNS DNS Cache weak security

powerdns-dnscache-weak-security (41534) The risk level is classified as LowLow Risk

Description:

PowerDNS could provide weaker than expected security. Random numbers are generated using predictable standard C library functions and are then used to create the transaction ID (TRXID) and UDP source port. By guessing the transaction ID (TRXID) and UDP source port, a remote attacker could exploit this vulnerability to perform DNS Cache Poisoning.

Platforms Affected:

  • Debian, Debian Linux 4.0
  • Gentoo, Linux
  • PowerDNS, PowerDNS prior to 3.1.5

Remedy:

Upgrade to the latest version of PowerDNS (3.1.5 or later), available from the PowerDNS Web site. See References.

Consequences:

Gain Access

References:

Reported:

Mar 31, 2008

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