CVE-2018-14645 Information

Description

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 Vector

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

Reference

https://access.redhat.com/errata/RHBA-2019:0028 https://access.redhat.com/errata/RHSA-2018:2882 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645 https://usn.ubuntu.com/3780-1/ https://www.mail-archive.com/haproxy@formilux.org/msg31253.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5