Denial of Service Vulnerability in TinyXML by TinyXML Developers
CVE-2021-42260

7.5HIGH

Key Information:

Vendor
Tinyxml Project
Status
Tinyxml
Vendor
CVE Published:
11 October 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

TinyXML, a popular XML parsing library, contains a vulnerability that may lead to denial of service. Specifically, the issue resides in the TiXmlParsingData::Stamp function within tinyxmlparser.cpp. A crafted XML message can exploit an infinite loop in handling the TIXML_UTF_LEAD_0 case, rendering the application unresponsive. This vulnerability impacts applications utilizing TinyXML versions up to 2.6.2, prompting the need for immediate updates to safeguard against potential disruptions. Users are advised to review the provided references for further information and mitigations.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

tinyxml
Created by vm2mv

References

https://sourceforge.net/p/tinyxml/bugs/141/
https://lists.debian.org/debian-lts-announce/2022/04/msg0...
mailing-list
https://lists.debian.org/debian-lts-announce/2022/09/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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