Vulnerability Name:

CVE-2019-19203 (CCN-172170)

Assigned:2019-11-06
Published:2019-11-06
Updated:2020-02-18
Summary:An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
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)
6.7 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:P/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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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)
6.7 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:P/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
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-19203

Source: XF
Type: UNKNOWN
oniguruma-cve201919203-bo(172170)

Source: CCN
Type: Oniguruma GIT Repository
heap-buffer-overflow in gb18030_mbc_enc_len #163

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://github.com/kkos/oniguruma/issues/163

Source: MISC
Type: Release Notes
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/ManhNDd/CVE-2019-19203

Source: MISC
Type: Third Party Advisory
https://github.com/tarantula-team/CVE-2019-19203

Source: FEDORA
Type: Third Party Advisory
FEDORA-2019-d942abd0d4

Source: FEDORA
Type: Third Party Advisory
FEDORA-2019-73197ff9a0

Source: CCN
Type: IBM Security Bulletin 6853463 (Robotic Process Automation for Cloud Pak)
Multiple Security Vulnerabilities may affect IBM Robotic Process Automation for Cloud Pak.

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-19203

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:* (Version >= 6.0.0 and < 6.9.4)
  • OR cpe:/a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7628
    P
    		libonig4-6.7.0-150000.3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:772
    P
    		Security update for oniguruma (Important)
    2022-09-21
    oval:org.opensuse.security:def:118971
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:119825
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:119276
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:119727
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:118781
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:119738
    P
    		Security update for oniguruma (Important) (in QA)
    2022-08-29
    oval:org.opensuse.security:def:112733
    P
    		libonig5-6.9.7.1-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106205
    P
    		libonig5-6.9.7.1-1.2 on GA media (Moderate)
    2021-10-01
    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.disco:def:2019192030000000
    V
    		CVE-2019-19203 on Ubuntu 19.04 (disco) - medium.
    2019-11-21
    oval:com.ubuntu.bionic:def:2019192030000000
    V
    		CVE-2019-19203 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-11-21
    oval:com.ubuntu.xenial:def:2019192030000000
    V
    		CVE-2019-19203 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-11-21
    BACK
    oniguruma_project oniguruma *
    oniguruma_project oniguruma 6.9.4 rc1
    fedoraproject fedora 30
    fedoraproject fedora 31
    ibm robotic process automation for cloud pak 21.0.1
    ibm robotic process automation for cloud pak 21.0.2
    ibm robotic process automation for cloud pak 21.0.3
    ibm robotic process automation for cloud pak 21.0.5
    ibm robotic process automation for cloud pak 21.0.4