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MitreCVE-2019-19203

HistoryNov 21, 2019 - 9:15 p.m.

CVE-2019-19203

2019-11-2121:15:11

CWE-125

mitre

web.nvd.nist.gov

248

cve

2019

19203

oniguruma

heap-based buffer

security issue

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

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

AI Score

8.3

Confidence

High

EPSS

0.006

Percentile

78.4%

JSON

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.

Affected configurations

Nvd

Node

oniguruma_projectonigurumaRange6.0.0–6.9.4

oniguruma_projectonigurumaMatch6.9.4rc1

Node

fedoraprojectfedoraMatch30

fedoraprojectfedoraMatch31

VendorProductVersionCPE
oniguruma_projectoniguruma*cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:*
oniguruma_projectoniguruma6.9.4cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:*
fedoraprojectfedora30cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
fedoraprojectfedora31cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
oniguruma_project	oniguruma	*	cpe:2.3:a:oniguruma_project:oniguruma::::::::
oniguruma_project	oniguruma	6.9.4	cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1::::::
fedoraproject	fedora	30	cpe:2.3:o:fedoraproject:fedora:30:::::::*
fedoraproject	fedora	31	cpe:2.3:o:fedoraproject:fedora:31:::::::*