High severity · published Feb 13, 2024
CVE-2023-5517
A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when: - `nxdomain-redirect <domain>;` is configured, and - the resolver receives…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when:
- `nxdomain-redirect <domain>;` is configured, and
- the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response.
This issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
BI
Bind · Isc
9.12.0 through 9.16.45; 9.18.0 through 9.18.21; 9.19.0 through 9.19.19; 9.16.8; 9.16.11; 9.16.12; +10 more · source: NVD
FE
Fedora · Fedoraproject
38; 39 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5517
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5517
Mailing List
http://www.openwall.com/lists/oss-security/2024/02/13/1
Vendor Advisory
https://kb.isc.org/docs/cve-2023-5517
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
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