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PowerDNS Recursor before 3.1.5 uses insufficient randomness to calculate (1) TRXID values and (2) UDP source port numbers, which makes it easier for remote attackers to poison a DNS cache, related to (a) algorithmic deficiencies in rand and random functions in external libraries, (b) use of a 32-bit seed value, and (c) choice of the time of day as the sole seeding information.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade pdns-recursor | Jul 30, 2024 | Apr 2, 2008 |
| Gentoo Linux | — | Upgrade net-dns/pdns-recursor. | Oct 30, 2017 | Apr 2, 2008 |
| Suse | — | Upgrade pdns-recursorUpgrade suse-release | Feb 17, 2015 | Apr 2, 2008 |
| Ubuntu | — | Upgrade pdns-recursor | Nov 19, 2024 | Apr 2, 2008 |
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