MEDIUM
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
Published Sep 12, 2007
4.3
MEDIUMCVSS 2.0
EPSS 7.58%
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.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of bind as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.58% 0.07585
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07585
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.58% (0.07585) | 94.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.58% (0.07585) | 93.74th | v5 (v2026.06.15) |
| May 2, 2026 | 29.87% (0.29869) | 96.67th | v4 (v2025.03.14) |
| May 1, 2026 | 18.21% (0.18213) | 95.21th | v4 (v2025.03.14) |
| Aug 20, 2025 | 16.75% (0.16750) | 94.66th | v4 (v2025.03.14) |
| Mar 30, 2025 | 18.64% (0.18643) | 94.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.98% (0.14981) | 90.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 18.64% (0.18643) | 94.77th | v4 (v2025.03.14) |
| Feb 4, 2025 | 18.58% (0.18579) | 96.27th | v3 (v2023.03.01) |
| Dec 17, 2024 | 24.09% (0.24093) | 96.62th | v3 (v2023.03.01) |
| Dec 12, 2024 | 9.57% (0.09575) | 95.03th | v3 (v2023.03.01) |
| Jul 16, 2024 | 10.56% (0.10563) | 95.06th | v3 (v2023.03.01) |
| Jun 8, 2024 | 3.64% (0.03641) | 91.70th | v3 (v2023.03.01) |
| May 1, 2024 | 4.40% (0.04400) | 92.31th | v3 (v2023.03.01) |
| Mar 24, 2024 | 3.91% (0.03908) | 91.77th | v3 (v2023.03.01) |
| Feb 14, 2024 | 3.53% (0.03528) | 91.24th | v3 (v2023.03.01) |
| Jan 6, 2024 | 2.84% (0.02839) | 89.65th | v3 (v2023.03.01) |
| Aug 12, 2023 | 2.13% (0.02133) | 87.79th | v3 (v2023.03.01) |
| Mar 22, 2023 | 2.15% (0.02147) | 87.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.85% (0.01853) | 86.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (31)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01283837 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/26629 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26858 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27433 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27459 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27465 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27696 third-party-advisoryx_refsource_SECUNIA
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103063-1 vendor-advisoryx_refsource_SUNALERT
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-200859-1 vendor-advisoryx_refsource_SUNALERT
- http://support.avaya.com/elmodocs2/security/ASA-2007-448.htm x_refsource_CONFIRM
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=653968 x_refsource_CONFIRM
- http://www.ciac.org/ciac/bulletins/r-333.shtml third-party-advisorygovernment-resourcex_refsource_CIACPatch
- http://www.isc.org/index.pl?/sw/bind/bind8-eol.php x_refsource_CONFIRMPatch
- http://www.kb.cert.org/vuls/id/927905 third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource
- http://www.securityfocus.com/archive/1/477870/100/100/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/481424/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/481659/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/25459 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018615 vdb-entryx_refsource_SECTRACK
- http://www.trusteer.com/docs/bind8dns.html x_refsource_MISC
- http://www.vupen.com/english/advisories/2007/2991 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3192 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3639 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3668 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3936 vdb-entryx_refsource_VUPEN
- http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/43/022954-01.pdf x_refsource_CONFIRM
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3975 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2007-2930 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-2930
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2154 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-2930
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Sep 12, 2007
Updated Aug 7, 2024
Reserved May 30, 2007
Link CVE-2007-2930
CISA Vulnrichment
Updated n/a