CVE-2018-20615

Public on 2019-03-21
Modified on 2024-01-21
Description
An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
Severity
Important severity
Important
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 haproxy Not Affected
Amazon Linux 2 - Core haproxy Not Affected
Amazon Linux 2 - Haproxy2 Extra haproxy2 Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H