CVE-2018-20103

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 12 Dec 2018, 17:00
Last modified:05 Aug 2024, 11:51

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Dec 2018, 17:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:51
Last Modified
Vulnerability information updated

Description

An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

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: 0.10%• Percentile: 27%

Techniques & Countermeasures

  • CWE-835•Loop with Unreachable Exit Condition ('Infinite Loop')

    The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 18.10

  • haproxy•haproxy

    ≤ 1.8.14

  • redhat•openshift_container_platform

    3.11

References (7)