Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haproxy | Haproxy | <= 1.8.14 |
| Canonical | Ubuntu Linux | 16.04 |
| Redhat | Openshift Container Platform | 3.11 |
Related Weaknesses (CWE)
References
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f
- http://www.securityfocus.com/bid/106280Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0326Third Party Advisory
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1436
- https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html
- https://usn.ubuntu.com/3858-1/Third Party Advisory
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f
- http://www.securityfocus.com/bid/106280Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0326Third Party Advisory
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1436
- https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html
- https://usn.ubuntu.com/3858-1/Third Party Advisory
FAQ
What is CVE-2018-20103?
CVE-2018-20103 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2018-20103?
CVE-2018-20103 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20103?
Check the references section above for vendor advisories and patch information. Affected products include: Haproxy Haproxy, Canonical Ubuntu Linux, Redhat Openshift Container Platform.