Vulnerability Details : CVE-2018-20615
An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
Products affected by CVE-2018-20615
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev3:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev5:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:-:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev0:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev1:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev2:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev7:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev8:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev9:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev10:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev4:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev6:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.9.0:dev11:*:*:*:*:*:*
Threat overview for CVE-2018-20615
Top countries where our scanners detected CVE-2018-20615
Top open port discovered on systems with this issue
53
IPs affected by CVE-2018-20615 623,508
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2018-20615!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2018-20615
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20615
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-20615
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20615
-
https://www.mail-archive.com/haproxy@formilux.org/msg32304.html
Mailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:0275
RHSA-2019:0275 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00018.html
[security-announce] openSUSE-SU-2019:0166-1: important: Security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHBA-2019:0327
RHBA-2019:0327 - Bug Fix Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securityfocus.com/bid/106645
HAProxy CVE-2018-20615 Remote Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://usn.ubuntu.com/3858-1/
USN-3858-1: HAProxy vulnerabilities | Ubuntu security noticesThird Party Advisory
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