SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-3139

A denial of service flaw was found in the way BIND handled DNSSEC validation.

HIGH 7.5EPSS 1.63%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A denial of service flaw was found in the way BIND handled DNSSEC validation. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS response.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.63% probability · 75th percentile
CISA KEV
Not listed
Weakness
CWE-617
Affected
redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus
Source
security-officer@isc.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.