CVE-2019-6469

CWE-617 — Reachable AssertionCWE-20 — Improper Input Validation6 documents6 sources
Severity
7.5HIGH
EPSS
1.1%
top 22.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
ISC Bind 9 Supported Preview EditionISC Bind
Timeline
PublishedOct 9
Latest updateMay 24

Description

An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5isc/bind_9_supported_preview_editionBIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
▶NVDisc/bind9.10.5, 9.11.6+1

🔴Vulnerability Details

2
GHSA
GHSA-qxvj-gg4r-8gwm: An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response t↗2022-05-24
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CVEList
BIND Supported Preview Edition can exit with an assertion failure if ECS is in use↗2019-10-09
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📋Vendor Advisories

2
Red Hat
bind: an error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure leading to DoS↗2019-05-30
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Debian
CVE-2019-6469: bind9 - An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cau...↗2019
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💬Community

1
Bugzilla
CVE-2019-6469 bind: an error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure leading to DoS↗2019-05-30
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CVE-2019-6469 (HIGH CVSS 7.5) | An error in the EDNS Client Subnet | cvebase.io