CVE-2018-14645

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.mail-archive.com/haproxy@formilux.org/msg31253.html	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645	Mitigation Issue Tracking Third Party Advisory
https://usn.ubuntu.com/3780-1/	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2882	Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0028

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Configurations

Configuration 1 (hide)

cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:a:redhat:openshift_container_platform:3.9:::::::*
	cpe:2.3:a:redhat:openshift:3.10::::enterprise:::

Information

Published : 2018-09-21 06:29

Updated : 2019-07-23 01:15

NVD link : CVE-2018-14645

Mitre link : CVE-2018-14645

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

haproxy

haproxy

redhat

enterprise_linux
openshift
openshift_container_platform

canonical

ubuntu_linux

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