CVE-2021-41581
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\0' termination.
Overview
- CVE ID
- CVE-2021-41581
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-24T03:15:06
- Last Modified Date
- 2021-09-29T21:35:54
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* | 1 | OR | 3.4.0 |
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://github.com/libressl-portable/openbsd/issues/126 | Exploit Issue Tracking Patch Third Party Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-41581 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41581 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 06:52:53 | Added to TrackCVE | |||
2022-12-05 11:15:15 | 2021-09-24T03:15Z | 2021-09-24T03:15:06 | CVE Published Date | updated |
2022-12-05 11:15:15 | 2021-09-29T21:35:54 | CVE Modified Date | updated | |
2022-12-05 11:15:15 | Analyzed | Vulnerability Status | updated |