CVE-2018-21232

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5

Description

re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.

Overview

CVE ID
CVE-2018-21232

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2020-04-29T14:15:14

Last Modified Date
2020-05-14T12:15:11

Weakness Enumerations

CWE	URL
CWE-674	http://cwe.mitre.org/data/definitions/674.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:re2c:re2c::::::::	1	OR		2.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.openwall.com/lists/oss-security/2020/04/27/2	Mailing List Third Party Advisory
https://github.com/skvadrik/re2c/issues/219	Exploit Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/05/14/4

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-21232
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21232

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:32:23				Added to TrackCVE
2022-12-04 15:55:22	2020-04-29T14:15Z	2020-04-29T14:15:14	CVE Published Date	updated
2022-12-04 15:55:22		2020-05-14T12:15:11	CVE Modified Date	updated
2022-12-04 15:55:22		Modified	Vulnerability Status	updated