Medium severity · published Oct 9, 2019
CVE-2019-6471
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c
5.9
CVSS
3.3%
EPSS
No
On KEV
Description
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BA
Big-ip Analytics · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BA
Big-ip Application Security Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BD
Big-ip Domain Name System · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 9.2.2; 14.0.0; +2 more · source: NVD
BE
Big-ip Edge Gateway · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BF
Big-ip Fraud Protection Service · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 9.2.2; 14.0.0; +2 more · source: NVD
BL
Big-ip Link Controller · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 9.2.2; 14.0.0; +2 more · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 14.0.0; 14.1.0; +1 more · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.5.2 through 11.5.9; 11.6.1 through 11.6.4; 12.1.0 through 12.1.4; 13.1.0 through 13.1.1; 9.2.2; 14.0.0; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6471
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6471
Third Party Advisory
https://kb.isc.org/docs/cve-2019-6471
support.f5.com
https://support.f5.com/csp/article/K10092301?utm_source=f5support&%3Butm_medium=RSS
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