CVE-2021-26948

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service via a crafted html file.

Overview

CVE ID
CVE-2021-26948

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-03-03T23:15:08

Last Modified Date
2022-12-02T19:08:32

Weakness Enumerations

CWE	URL
CWE-476	http://cwe.mitre.org/data/definitions/476.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:htmldoc_project:htmldoc:1.9.11:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/michaelrsweet/htmldoc/issues/410	Exploit Issue Tracking Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-26948
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26948

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:46:34				Added to TrackCVE
2022-12-06 11:17:56	2022-03-03T23:15Z	2022-03-03T23:15:08	CVE Published Date	updated
2022-12-06 11:17:56		2022-12-02T19:08:32	CVE Modified Date	updated
2022-12-06 11:17:56		Analyzed	Vulnerability Status	updated