Vulnerability Name:

CVE-2019-13225 (CCN-166874)

Assigned:2019-06-27
Published:2019-06-27
Updated:2019-12-16
Summary:A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause denial of service by providing a crafted regular expression. Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
CWE-476
CWE-400
CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-13225

Source: XF
Type: UNKNOWN
oniguruma-cve201913225-dos(166874)

Source: CCN
Type: oniguruma GIT Repository
Fix CVE-2019-13225: problem in converting if-then-else pattern to byt

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c

Source: FEDORA
Type: Third Party Advisory
FEDORA-2019-5409bb5e68

Source: FEDORA
Type: Third Party Advisory
FEDORA-2019-3f3d0953db

Source: GENTOO
Type: Third Party Advisory
GLSA-201911-03

Source: CCN
Type: IBM Security Bulletin 6471267 (Cloud Pak for Applications)
A vulnerability was found in Oniguruma 6.9.2 that would result in a NULL Pointer Dereference, affecting IBM Cloud Pak for Applications

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oniguruma_project:oniguruma:6.9.2:-:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:29:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*

    • 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 CCN 1:
  • cpe:/a:oniguruma_project:oniguruma:6.9.2:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    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:20204827
    P
    		RHSA-2020:4827: oniguruma security 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.cosmic:def:2019132250000000
    V
    		CVE-2019-13225 on Ubuntu 18.10 (cosmic) - medium.
    2019-07-10
    oval:com.ubuntu.bionic:def:2019132250000000
    V
    		CVE-2019-13225 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-07-10
    oval:com.ubuntu.xenial:def:2019132250000000
    V
    		CVE-2019-13225 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-07-10
    oval:com.ubuntu.disco:def:2019132250000000
    V
    		CVE-2019-13225 on Ubuntu 19.04 (disco) - medium.
    2019-07-10
    BACK
    oniguruma_project oniguruma 6.9.2 -
    fedoraproject fedora 29
    fedoraproject fedora 30
    oniguruma_project oniguruma 6.9.2 -