CVE-2018-20615

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 18 Mar 2019, 16:11
Last modified:05 Aug 2024, 12:05

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
0.14% LOW
0% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Mar 2019, 16:11
Published
Vulnerability first disclosed
05 Aug 2024, 12:05
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.14%• Percentile: 34%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 18.10

  • haproxy•haproxy

    ≥ 1.8.0, ≤ 1.8.19 | 1.9.0 | 1.9.0:dev0 | 1.9.0:dev1 | 1.9.0:dev10 | 1.9.0:dev11 | 1.9.0:dev2 | 1.9.0:dev3 | 1.9.0:dev4 | 1.9.0:dev5 | 1.9.0:dev6 | 1.9.0:dev7 | 1.9.0:dev8 | 1.9.0:dev9

  • opensuse•leap

    15.0

  • redhat•enterprise_linux

    7.0 | 7.4 | 7.5 | 7.6

  • redhat•openshift_container_platform

    3.11

References (6)