Vulnerability Monitor

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CVE-2018-20615

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.

Published

2019-03-21T16:00:36.297

Last Modified

2024-11-21T04:01:51.733

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-125
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application haproxy haproxy ≤ 1.8.19 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Application haproxy haproxy 1.9.0 Yes
Operating System opensuse leap 15.0 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 18.10 Yes
Application redhat openshift_container_platform 3.11 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 7.4 Yes
Operating System redhat enterprise_linux 7.5 Yes
Operating System redhat enterprise_linux 7.6 Yes
References