Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution
Priority LOW 35CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-617.
Summary
A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled. This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01276 70th percentileScored 2026-11-07
Fix Fixed Red Hat: 7 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ISC | BIND 9 | 9.16.12 – 9.16.45; 9.18.0 – 9.18.21; 9.19.0 – 9.19.19; 9.16.12-S1 – 9.16.45-S1; 9.18.11-S1 – 9.18.21-S1 | — | No fix listed | CNA |
- BIND 9 VendorISC Affected 9.16.12 – 9.16.45; 9.18.0 – 9.18.21; 9.19.0 – 9.19.19; 9.16.12-S1 – 9.16.45-S1; 9.18.11-S1 – 9.18.21-S1 Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
| cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* | 9.16.12 – 9.16.45; 9.18.0 – 9.18.21; 9.19.0 – 9.19.19 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:* | 9.16.12 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:* | 9.16.13 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:* | 9.16.14 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:* | 9.16.21 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:* | 9.16.32 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:* | 9.16.36 s1 | Vulnerable | ISC |
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
- cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* Versions 9.16.12 – 9.16.45; 9.18.0 – 9.18.21; 9.19.0 – 9.19.19 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:* Versions 9.16.12 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:* Versions 9.16.13 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:* Versions 9.16.14 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:* Versions 9.16.21 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:* Versions 9.16.32 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:* Versions 9.16.36 s1 Vulnerable ·ISC
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:* | 9.16.43 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.16.45:s1:*:*:supported_preview:*:*:* | 9.16.45 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:* | 9.18.11 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:* | 9.18.18 s1 | Vulnerable | ISC |
| cpe:2.3:a:isc:bind:9.18.21:s1:*:*:supported_preview:*:*:* | 9.18.21 s1 | Vulnerable | ISC |
- cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:* Versions 9.16.43 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.16.45:s1:*:*:supported_preview:*:*:* Versions 9.16.45 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:* Versions 9.18.11 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:* Versions 9.18.18 s1 Vulnerable ·ISC
- cpe:2.3:a:isc:bind:9.18.21:s1:*:*:supported_preview:*:*:* Versions 9.18.21 s1 Vulnerable ·ISC
Remediation
Red Hat 7 advisories
- RHSA-2024:2551 Released 2024-04-30 · Red Hat rating Importantbind security update
- Red Hat Enterprise Linux AppStream (v. 9) bind-32:9.16.23-18.el9_4.1, bind-chroot-32:9.16.23-18.el9_4.1, bind-dnssec-doc-32:9.16.23-18.el9_4.1 +6
- Red Hat Enterprise Linux CRB (v. 9) bind-devel-32:9.16.23-18.el9_4.1, bind-doc-32:9.16.23-18.el9_4.1, bind-libs-32:9.16.23-18.el9_4.1
- RHSA-2024:1803 Released 2024-04-15 · Red Hat rating Importantbind and bind-dyndb-ldap security updates
- Red Hat CodeReady Linux Builder EUS (v.9.2) bind-devel-32:9.16.23-11.el9_2.4, bind-doc-32:9.16.23-11.el9_2.4, bind-libs-32:9.16.23-11.el9_2.4
- Red Hat Enterprise Linux AppStream EUS (v.9.2) bind-32:9.16.23-11.el9_2.4, bind-chroot-32:9.16.23-11.el9_2.4, bind-dnssec-doc-32:9.16.23-11.el9_2.4 +6
- RHSA-2024:1800 Released 2024-04-15 · Red Hat rating Importantbind and bind-dyndb-ldap security updates
- Red Hat CodeReady Linux Builder EUS (v.9.0) bind-devel-32:9.16.23-1.el9_0.5, bind-libs-32:9.16.23-1.el9_0.5
- Red Hat Enterprise Linux AppStream EUS (v.9.0) bind-32:9.16.23-1.el9_0.5, bind-chroot-32:9.16.23-1.el9_0.5, bind-dnssec-doc-32:9.16.23-1.el9_0.5 +6
Show 4 more Red Hat advisories
- RHSA-2024:1789 Released 2024-04-11 · Red Hat rating Importantbind security update
- Red Hat CodeReady Linux Builder (v. 9) bind-devel-32:9.16.23-14.el9_3.4, bind-doc-32:9.16.23-14.el9_3.4, bind-libs-32:9.16.23-14.el9_3.4
- Red Hat Enterprise Linux AppStream (v. 9) bind-32:9.16.23-14.el9_3.4, bind-chroot-32:9.16.23-14.el9_3.4, bind-dnssec-doc-32:9.16.23-14.el9_3.4 +6
- RHSA-2024:1781 Released 2024-04-11 · Red Hat rating Importantbind9.16 security update
- Red Hat CodeReady Linux Builder (v. 8) bind9.16-devel-32:9.16.23-0.16.el8_9.2, bind9.16-doc-32:9.16.23-0.16.el8_9.2, bind9.16-libs-32:9.16.23-0.16.el8_9.2
- Red Hat Enterprise Linux AppStream (v. 8) bind9.16-32:9.16.23-0.16.el8_9.2, bind9.16-chroot-32:9.16.23-0.16.el8_9.2, bind9.16-dnssec-utils-32:9.16.23-0.16.el8_9.2 +4
- RHSA-2024:1648 Released 2024-04-02 · Red Hat rating Importantbind9.16 security update
- Red Hat CodeReady Linux Builder EUS (v.8.8) bind9.16-devel-32:9.16.23-0.14.el8_8.4, bind9.16-doc-32:9.16.23-0.14.el8_8.4, bind9.16-libs-32:9.16.23-0.14.el8_8.4
- Red Hat Enterprise Linux AppStream EUS (v.8.8) bind9.16-32:9.16.23-0.14.el8_8.4, bind9.16-chroot-32:9.16.23-0.14.el8_8.4, bind9.16-dnssec-utils-32:9.16.23-0.14.el8_8.4 +4
- RHSA-2024:1647 Released 2024-04-02 · Red Hat rating Importantbind9.16 security update
- Red Hat CodeReady Linux Builder EUS (v.8.6) bind9.16-devel-32:9.16.23-0.7.el8_6.5, bind9.16-dnssec-utils-32:9.16.23-0.7.el8_6.5, bind9.16-doc-32:9.16.23-0.7.el8_6.5 +2
- Red Hat Enterprise Linux AppStream EUS (v.8.6) bind9.16-32:9.16.23-0.7.el8_6.5, bind9.16-chroot-32:9.16.23-0.7.el8_6.5, bind9.16-libs-32:9.16.23-0.7.el8_6.5 +2
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:1781 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:1789 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:1647 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:1648 |
| Red Hat CodeReady Linux Builder EUS (v.9.0) | Fixed | RHSA-2024:1800 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:1803 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:1781 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:1789, RHSA-2024:2551 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:1647 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:1648 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2024:1800 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:1803 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:2551 |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5679
- 2026-10-03 Alias added: GHSA-v5qp-mx94-j49v
References
Advisory 7
- CVE-2023-5679
- http://www.openwall.com/lists/oss-security/2024/02/13/1
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
- https://security.netapp.com/advisory/ntap-20240426-0002/
More ISC Bind vulnerabilities
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
- TI-2021-07476 A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack CVSS 3.1CRITICAL 9.8
- TI-2023-27773 The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance… CVSS 3.1HIGH 7.5
- TI-2020-06910 A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c CVSS 3.1HIGH 7.5
- TI-2016-02320 buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x… CVSS 3.0HIGH 7.5
Sources
- CVE-2023-5679 · CVE Program
- CVE-2023-5679 · NVD
- FIRST EPSS
- GHSA-v5qp-mx94-j49v · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5679 · Red Hat security data · CC BY 4.0
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