CVE-2018-14645

high

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.

References

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/[email protected]/msg31253.html

Details

Source: MITRE

Published: 2018-09-21

Updated: 2019-07-23

Type: CWE-125

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH