Vulnerability Name:

CVE-2019-20454 (CCN-176437)

Assigned:2019-01-08
Published:2019-01-08
Updated:2023-03-16
Summary:
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-20454

Source: cve@mitre.org
Type: Issue Tracking, Permissions Required, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org

Source: CCN
Type: Red Hat Bugzilla – Bug 1735494
(CVE-2019-20454) - CVE-2019-20454 pcre: out-of-bounds read in JIT mode when \X is used in non-UTF mode

Source: cve@mitre.org
Type: Issue Tracking, Patch, Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
pcre-cve201920454-dos(176437)

Source: cve@mitre.org
Type: UNKNOWN
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Broken Link, Patch
cve@mitre.org

Source: CCN
Type: IBM Security Bulletin 6520474 (QRadar SIEM)
IBM QRadar SIEM Application Framework Base Image is vulnerable to using components with Known Vulnerabilities

Source: CCN
Type: PCRE Web site
PCRE

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:pcre:pcre2:10.33:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:qradar_security_information_and_event_manager:7.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:118976
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:42331
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:119281
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:42428
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:119461
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:118786
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:119646
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:org.opensuse.security:def:43658
    P
    		Security update for pcre2 (Important)
    2022-08-03
    oval:com.redhat.rhsa:def:20204539
    P
    		RHSA-2020:4539: pcre2 security and enhancement update (Moderate)
    2020-11-04
    oval:com.redhat.rhsa:def:20203662
    P
    		RHSA-2020:3662: php:7.3 security, bug fix, and enhancement update (Moderate)
    2020-09-08
    oval:com.ubuntu.bionic:def:2019204540000000
    V
    		CVE-2019-20454 on Ubuntu 18.04 LTS (bionic) - low.
    2020-02-14
    BACK
    pcre pcre2 10.33
    ibm qradar security information and event manager 7.3
    ibm qradar security information and event manager 7.4 -