CVE-2019-19203

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 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ManhNDd/CVE-2019-19203	Exploit Third Party Advisory
https://github.com/kkos/oniguruma/issues/163	Exploit Patch Third Party Advisory
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2	Release Notes
https://github.com/tarantula-team/CVE-2019-19203	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oniguruma_project:oniguruma::::::::
	cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:30:::::::*
	cpe:2.3:o:fedoraproject:fedora:31:::::::*

History

No history.

Information

Published : 2019-11-21 21:15

Updated : 2023-11-07 03:07

NVD link : CVE-2019-19203

Mitre link : CVE-2019-19203

CVE.ORG link : CVE-2019-19203

JSON object : View

Products Affected

fedoraproject

fedora

oniguruma_project

oniguruma

CWE

CWE-125

Out-of-bounds Read

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