CVE-2018-14645

moderate-risk

Published 2018-09-21

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.

Do I need to act?

0.22% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (9)

Haproxy

Ubuntu Linux

Openshift

Openshift Container Platform

Enterprise Linux

Affected Vendors

Redhat Canonical Haproxy

References (10)

https://access.redhat.com/errata/RHBA-2019:0028

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2882

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645

Third Party Advisory https://usn.ubuntu.com/3780-1/

https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html

https://access.redhat.com/errata/RHBA-2019:0028

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2882

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645

Third Party Advisory https://usn.ubuntu.com/3780-1/

https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 15/34 · Moderate