CVE-2019-16163

oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.

Oniguruma versiones anteriores a 6.9.3, permite un Agotamiento de la Pila en el archivo regcomp.c debido a la recursión en el archivo regparse.c.

*Credits: N/A

CVSS Scores

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

Privileges Required

Low

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

2019-09-09 CVE Reserved
2019-09-09 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-09-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-121: Stack-based Buffer Overflow
CWE-674: Uncontrolled Recursion

CAPEC

References (9)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/09/msg00010.html	Mailing List

URL	Date	SRC
https://github.com/kkos/oniguruma/issues/147	2024-08-05

URL	Date	SRC
https://github.com/kkos/oniguruma/commit/4097828d7cc87589864fecf452f2cd46c5f37180	2023-11-07
https://github.com/kkos/oniguruma/compare/v6.9.2...v6.9.3	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWOWZZNFSAWM3BUTQNAE3PD44A6JU4KE	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW47MSFZ6WYOAOFXHBDGU4LYACFRKC2Y	2023-11-07
https://usn.ubuntu.com/4460-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-16163	2024-02-20
https://bugzilla.redhat.com/show_bug.cgi?id=1768997	2024-02-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oniguruma Project Search vendor "Oniguruma Project"		Oniguruma Search vendor "Oniguruma Project" for product "Oniguruma"				< 6.9.3 Search vendor "Oniguruma Project" for product "Oniguruma" and version " < 6.9.3"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected