CVE-2016-7835

CVSS V2 Medium 6.4 CVSS V3 Critical 9.1

Description

Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other information.

Overview

CVE ID
CVE-2016-7835

Assigner
vultures@jpcert.or.jp

Vulnerability Status
Analyzed

Published Version
2017-06-09T16:29:01

Last Modified Date
2021-04-19T14:01:39

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:dena:h2o::::::::	1	OR		2.0.4
cpe:2.3:a:h2o_project:h2o:2.1.0:beta3::::::	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
6.4

Severity
MEDIUM

Exploitability Score
10

Impact Score
4.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://jvn.jp/en/jp/JVN44566208/index.html	Third Party Advisory VDB Entry
https://github.com/h2o/h2o/issues/1144	Patch Third Party Advisory
http://www.securityfocus.com/bid/95061	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2016-7835
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7835

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:15:29				Added to TrackCVE
2022-12-02 17:37:42	2017-06-09T16:29Z	2017-06-09T16:29:01	CVE Published Date	updated
2022-12-02 17:37:42		2021-04-19T14:01:39	CVE Modified Date	updated
2022-12-02 17:37:42		Analyzed	Vulnerability Status	updated