CVE-2018-20103

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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25	Patch Third Party Advisory
http://www.securityfocus.com/bid/106280	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3858-1/	Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0326	Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1436
https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	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:::::::*

Configuration 3 (hide)

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

Information

Published : 2018-12-12 09:29

Updated : 2022-06-02 07:15

NVD link : CVE-2018-20103

Mitre link : CVE-2018-20103

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

canonical

ubuntu_linux

haproxy

haproxy

redhat

openshift_container_platform

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