Out-of-bounds Read in Haproxy
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.
Vulnerability class: Buffer Overflow
EPSS: 0.030 (86.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Haproxy
- [Unknown] Haproxy — versions 1.8.14
- Canonical Ubuntu_linux — versions 18.04
- Redhat Enterprise_linux — versions 7.0, 7.3, 7.4
- Redhat Openshift — versions 3.10
- Redhat Openshift_container_platform — versions 3.9
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation, Issue Tracking)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2018-14645?
- CVE-2018-14645 is a high-severity vulnerability in Haproxy, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-09-21.
- How severe is CVE-2018-14645?
- High severity. CVSS v3 base score is 7.5 out of 10.