CVE-2023-2829
Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.
This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.
*Credits:
ISC would like to thank Greg Kuechle from SaskTel for bringing this vulnerability to our attention.
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-05-22 CVE Reserved
- 2023-06-21 CVE Published
- 2024-07-23 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20230703-0010 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://kb.isc.org/docs/cve-2023-2829 | 2023-07-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | H500s Firmware Search vendor "Netapp" for product "H500s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500s Search vendor "Netapp" for product "H500s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700s Firmware Search vendor "Netapp" for product "H700s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700s Search vendor "Netapp" for product "H700s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410s Firmware Search vendor "Netapp" for product "H410s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410s Search vendor "Netapp" for product "H410s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410c Firmware Search vendor "Netapp" for product "H410c Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410c Search vendor "Netapp" for product "H410c" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H300s Firmware Search vendor "Netapp" for product "H300s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300s Search vendor "Netapp" for product "H300s" | - | - |
Safe
|
| Isc Search vendor "Isc" | Bind Search vendor "Isc" for product "Bind" | >= 9.16.8 <= 9.16.41 Search vendor "Isc" for product "Bind" and version " >= 9.16.8 <= 9.16.41" | supported_preview |
Affected
| ||||||
| Isc Search vendor "Isc" | Bind Search vendor "Isc" for product "Bind" | >= 9.18.11 <= 9.18.15 Search vendor "Isc" for product "Bind" and version " >= 9.18.11 <= 9.18.15" | supported_preview |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | vmware_vsphere |
Affected
| ||||||