Heap overflow

2018-11-0820:29:00

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www.prio-n.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.027 Low

EPSS

Percentile

90.1%

JSON

keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.

CPENameOperatorVersion
debian_linuxeq8.0
keepalivedlt2.0.7
enterprise_linux_servereq7.0
enterprise_linux_server_auseq7.6
enterprise_linux_server_euseq7.6
enterprise_linux_server_tuseq7.6
enterprise_linux_workstationeq7.0

Name	Operator	Version
debian_linux	eq	8.0
keepalived	lt	2.0.7
enterprise_linux_server	eq	7.0
enterprise_linux_server_aus	eq	7.6
enterprise_linux_server_eus	eq	7.6
enterprise_linux_server_tus	eq	7.6
enterprise_linux_workstation	eq	7.0