CVE-2018-14645
HIGH severity · CVSS 7.5 · Out-of-bounds read
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (3)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645Advisory
- https://access.redhat.com/errata/RHBA-2019:0028
- https://access.redhat.com/errata/RHSA-2018:2882Advisory
- https://usn.ubuntu.com/3780-1/Advisory
- https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html
- https://access.redhat.com/errata/RHBA-2019:0028
- https://access.redhat.com/errata/RHSA-2018:2882Advisory