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prionPRIOn knowledge basePRION:CVE-2018-20843
HistoryJun 24, 2019 - 5:15 p.m.

Input validation

2019-06-2417:15:00
PRIOn knowledge base
www.prio-n.com
6

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.609 Medium

EPSS

Percentile

97.7%

JSON

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

References

Related

nessus 46
mageia 1
almalinux 2
redhat 25
openvas 18
ibm 21
debian 3
osv 7
ubuntucve 1
ubuntu 4
debiancve 1
redhatcve 1
veracode 1
fedora 2
cve 1
suse 1
cloudfoundry 1
alpinelinux 1
f5 1
rocky 2
cbl_mariner 1
oraclelinux 2
centos 1
gentoo 1
amazon 3
altlinux 1
photon 6
oracle 4
ics 1
nessus
nessus
EulerOS 2.0 SP5 : expat (EulerOS-SA-2019-1758)
2019-07-23 00:00:00
Ubuntu 16.04 LTS / 18.04 LTS : Expat vulnerability (USN-4040-1)
2019-06-27 00:00:00
Fedora 30 : expat (2019-18868e1715)
2019-07-10 00:00:00
mageia
mageia
Updated expat packages fix security vulnerability
2019-09-15 15:11:55
almalinux
almalinux
Moderate: mingw-expat security update
2020-11-03 12:41:03
Moderate: expat security update
2020-11-03 12:09:00
redhat
redhat
(RHSA-2020:4846) Moderate: mingw-expat security update
2020-11-03 12:41:03
(RHSA-2020:4484) Moderate: expat security update
2020-11-03 12:09:00
(RHSA-2020:3952) Moderate: expat security update
2020-09-29 07:46:19
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2019:1834-1)
2021-04-19 00:00:00
SUSE: Security Advisory (SUSE-SU-2019:1835-1)
2021-06-09 00:00:00
openSUSE: Security Advisory for expat (openSUSE-SU-2019:1777-1)
2019-07-22 00:00:00
ibm
ibm
Security Bulletin: A security vulnerability has been identified in IBM HTTP Server, a component of IBM WebSphere Application Server, which is required product for IBM Tivoli Netcool Configuration Manager (CVE-2018-20843)
2020-08-24 13:03:40
Security Bulletin: A security vulnerability has been identified in IBM HTTP Server, a component of IBM WebSphere Application Server, which is shipped with, or a required product for, IBM Tivoli Network Manager (CVE-2018-20843)
2020-03-25 11:36:37
Security Bulletin: IBM Security SiteProtector System is affected by Apache HTTP Server vulnerabilities
2020-02-27 10:34:31
debian
debian
[SECURITY] [DSA 4472-1] expat security update
2019-06-28 09:30:19
[SECURITY] [DLA 1839-1] expat security update
2019-06-29 18:59:53
[SECURITY] [DSA 4472-1] expat security update
2019-06-28 09:30:19
osv
osv
expat - security update
2019-06-28 00:00:00
Moderate: mingw-expat security update
2020-11-03 12:41:03
expat - security update
2019-06-29 00:00:00
ubuntucve
ubuntucve
CVE-2018-20843
2019-06-24 00:00:00
ubuntu
ubuntu
Expat vulnerability
2019-06-26 00:00:00
Expat vulnerability
2019-06-26 00:00:00
VTK vulnerabilities
2021-03-15 00:00:00
debiancve
debiancve
CVE-2018-20843
2019-06-24 17:15:00
redhatcve
redhatcve
CVE-2018-20843
2020-04-04 05:18:28
veracode
veracode
Denial Of Service (DoS)
2019-07-01 08:36:31
fedora
fedora
[SECURITY] Fedora 30 Update: expat-2.2.7-1.fc30
2019-07-10 00:51:48
[SECURITY] Fedora 29 Update: expat-2.2.7-1.fc29
2019-07-16 03:22:19
cve
cve
CVE-2018-20843
2019-06-24 17:15:00
suse
suse
Security update for expat (moderate)
2019-07-21 00:00:00
cloudfoundry
cloudfoundry
USN-4040-1: Expat vulnerability | Cloud Foundry
2019-08-28 00:00:00
alpinelinux
alpinelinux
CVE-2018-20843
2019-06-24 17:15:00
f5
f5
K51011533 : Expat XML parser vulnerability CVE-2018-20843
2019-07-18 00:00:00
rocky
rocky
mingw-expat security update
2020-11-03 00:00:00
expat security update
2020-11-03 12:09:00
cbl_mariner
cbl_mariner
CVE-2018-20843 affecting package expat 2.2.6-4
2020-09-09 06:09:14
oraclelinux
oraclelinux
expat security update
2020-11-10 00:00:00
expat security update
2020-10-06 00:00:00
centos
centos
expat security update
2020-10-20 17:58:03
gentoo
gentoo
Expat: Multiple vulnerabilities
2019-11-25 00:00:00
amazon
amazon
Medium: expat
2020-12-16 20:31:00
Medium: expat
2020-10-22 17:32:00
Medium: expat
2021-01-12 22:51:00
altlinux
altlinux
Security fix for the ALT Linux 9 package expat version 2.2.9-alt1
2020-05-31 00:00:00
photon
photon
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-1.0-0247
2019-08-02 00:00:00
Important Photon OS Security Update - PHSA-2019-0247
2019-08-02 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-2.0-0171
2019-08-02 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00
Oracle Critical Patch Update Advisory - April 2021
2021-04-20 00:00:00
Oracle Critical Patch Update Advisory - October 2020
2020-10-20 00:00:00
ics
ics
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
2023-12-14 12:00:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.609 Medium

EPSS

Percentile

97.7%

JSON
Related for PRION:CVE-2018-20843
nessus46mageia1almalinux2redhat25openvas18ibm21debian3osv7ubuntucve1ubuntu4debiancve1redhatcve1veracode1fedora2cve1suse1cloudfoundry1alpinelinux1f51rocky2cbl_mariner1oraclelinux2centos1gentoo1amazon3altlinux1photon6oracle4ics1