Loop with Unreachable Exit Condition ('Infinite Loop') Affecting haproxy package, versions <1.8.15-1
Threat Intelligence
EPSS
0.87% (83rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-HAPROXY-526954
- published 12 Dec 2018
- disclosed 12 Dec 2018
Introduced: 12 Dec 2018
CVE-2018-20103 Open this link in a new tabHow to fix?
Upgrade Debian:11 haproxy to version 1.8.15-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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
- https://security-tracker.debian.org/tracker/CVE-2018-20103
- http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25
- https://access.redhat.com/errata/RHBA-2019:0326
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:1436
- http://www.securityfocus.com/bid/106280
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20103
- https://usn.ubuntu.com/3858-1/
- https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25