CVE-2018-20103

high

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.

References

http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25

http://www.securityfocus.com/bid/106280

https://usn.ubuntu.com/3858-1/

https://access.redhat.com/errata/RHBA-2019:0326

https://access.redhat.com/errata/RHBA-2019:0327

https://access.redhat.com/errata/RHSA-2019:1436

https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html

Details

Source: MITRE

Published: 2018-12-12

Updated: 2022-06-02

Type: CWE-835

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH