Vulnerability CVE-2021-42260

Vulnerability Name:

CVE-2021-42260 (CCN-211091)

Assigned:

2021-09-14

Published:

2021-09-14

Updated:

2022-10-27

Summary:

TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-835

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-42260

Source: XF
Type: UNKNOWN
tinyxml-cve202142260-dos(211091)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220430 [SECURITY] [DLA 2988-1] tinyxml security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220930 [SECURITY] [DLA 3130-1] tinyxml security update

Source: CCN
Type: SourceForge TinyXML Project
#141 TIXML_UTF_LEAD_0 can cause TinyXML DoS

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://sourceforge.net/p/tinyxml/bugs/141/

Vulnerable Configuration:

Configuration 1:

cpe:/a:tinyxml_project:tinyxml:2.3.0:beta:*:*:*:*:*:*

OR cpe:/a:tinyxml_project:tinyxml:2.3.1:beta:*:*:*:*:*:*

OR cpe:/a:tinyxml_project:tinyxml:*:*:*:*:*:*:*:* (Version >= 2.3.2 and <= 2.6.2)

Configuration 2:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:102144	P	Security update for python-pip (Moderate)	2022-04-28
oval:org.opensuse.security:def:111131	P	Security update for tinyxml (Low)	2021-11-15
oval:org.opensuse.security:def:66972	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:6221	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:67310	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:111778	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:76040	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:95431	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:108810	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:76378	P	Security update for tinyxml (Low)	2021-11-09
oval:org.opensuse.security:def:5883	P	Security update for tinyxml (Low)	2021-11-09

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