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VULNERABILITIES

CVE-2018-20103 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25 CVE
https://access.redhat.com/errata/RHBA-2019:0326 CVEThird Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327 CVEThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:1436 CVE
https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')[email protected]

Affected Products

ProductVersions
haproxy haproxy
<= 1.8.14

CPE

  • cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
16.04
18.04
18.10

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat openshift container platform
3.11

CPE

  • cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-20103
NVD Published Date:
Dec 12, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-20103 Details - Not Deferred