Vulnerability in Haproxy
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.066 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.066 · newest: 0.066 · change: 0.000
Affected products
- Haproxy
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
- Red Hat Openshift Container Platform — versions 3.11
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106280 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3858-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHBA-2019:0326 (vendor-advisory, Third Party Advisory)
- git.haproxy.org/
- access.redhat.com/errata/RHBA-2019:0327 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:1436 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2022/05/msg00045.html (mailing-list)
Frequently asked questions
- What is CVE-2018-20103?
- CVE-2018-20103 is a high-severity vulnerability in Haproxy, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-12-12.
- How severe is CVE-2018-20103?
- High severity. CVSS v3 base score is 7.5 out of 10.