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redhatcveRedhat.comRH:CVE-2023-2911
HistoryJun 21, 2023 - 10:25 p.m.

CVE-2023-2911

2023-06-2122:25:38
redhat.com
access.redhat.com
16
bind 9
vulnerability
recursive-clients quota
stack overflow

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

52.8%

A vulnerability was found in BIND. This security flaw occurs when the recursive-clients quota is reached on a BIND 9 resolver configured with stale-answer-enable yes; and stale-answer-client-timeout 0;. A sequence of serve-stale-related lookups could cause named to loop and terminate unexpectedly due to a stack overflow.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

52.8%