VulnerabilityModified
CVE-2018-20103
An issue was discovered in dns.c in HAProxy through 1.8.14.
HIGH 7.5EPSS 6.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 6.59% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- haproxy/haproxy · canonical/ubuntu linux · redhat/openshift container platform
- Source
- cve@mitre.org
References
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25
- http://www.securityfocus.com/bid/106280Third Party Advisory, VDB 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=58df5aea0a0c926b2238f65908f5e9f83d1cca25
- http://www.securityfocus.com/bid/106280Third Party Advisory, VDB 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.