CVE-2018-14645

haproxy: Out-of-bounds read in HPACK decoder

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

Se ha descubierto un fallo en el descodificador HPACK de HAProxy en versiones anteriores a la 1.8.14 que se utiliza para HTTP/2. Un acceso de lectura fuera de límites en hpack_vallid_idx() resultó en un cierre inesperado remoto y una denegación de servicio (DoS).

A flaw was discovered in the HPACK decoder of haproxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-07-27 CVE Reserved
2018-09-21 CVE Published
2024-07-06 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (7)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645	Issue Tracking
https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHBA-2019:0028	2023-11-07
https://access.redhat.com/errata/RHSA-2018:2882	2023-11-07
https://usn.ubuntu.com/3780-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-14645	2018-10-08
https://bugzilla.redhat.com/show_bug.cgi?id=1630048	2018-10-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Haproxy Search vendor "Haproxy"		Haproxy Search vendor "Haproxy" for product "Haproxy"				<= 1.8.14 Search vendor "Haproxy" for product "Haproxy" and version " <= 1.8.14"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Redhat Search vendor "Redhat"		Openshift Search vendor "Redhat" for product "Openshift"				3.10 Search vendor "Redhat" for product "Openshift" and version "3.10"		enterprise		Affected
Redhat Search vendor "Redhat"		Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform"				3.9 Search vendor "Redhat" for product "Openshift Container Platform" and version "3.9"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.3 Search vendor "Redhat" for product "Enterprise Linux" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.4 Search vendor "Redhat" for product "Enterprise Linux" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.5 Search vendor "Redhat" for product "Enterprise Linux" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.6 Search vendor "Redhat" for product "Enterprise Linux" and version "7.6"		-		Affected