CVE-2007-2930 Other in n/a

Medium 4.3 Published 12 Sep 2007 Updated 7 Aug 2024

Remote attackers can poison DNS caches by exploiting predictable query identifiers in ISC BIND 8 resolver operations.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2007-2930?

CVE-2007-2930 is a medium-severity vulnerability in Isc Bind, published on 12 Sep 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) NSID_SHUFFLE_ONLY and (2) NSID_USE_POOL PRNG algorithms in ISC BIND 8 before 8.4.7-P1 generate predictable DNS query identifiers when sending outgoing queries such as NOTIFY messages when answering questions as a resolver, which allows remote attackers to poison DNS caches via unknown vectors. NOTE: this issue is different from CVE-2007-2926.

Which versions are affected by CVE-2007-2930?

It affects 1 product.

Products include Isc Bind.

How do I fix CVE-2007-2930?

No fix has been published for CVE-2007-2930 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-2930 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-2930 exists.

Public exploit code: 2 Exploit-DB entries.

All Isc Bind vulnerabilities

Sources

Also known as CVE-2007-4019, GHSA-8m5r-mf8j-3hfx.