High severity · published Oct 9, 2019
CVE-2018-5744
A failure to free memory can occur when processing messages having a specific combination of EDNS options
7.5
CVSS
3.4%
EPSS
No
On KEV
Description
A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.
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)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bind · Isc
9.10.7 before 9.10.8; 9.11.3 before 9.11.5; 9.12.0 before 9.12.3; 9.13.0 before 9.13.6; 9.10.7; 9.10.8; +10 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5744
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5744
Vendor Advisory
https://kb.isc.org/docs/cve-2018-5744
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