PT-2021-7764 · Xmill · Xmill

Carl Hurd · Published 2021-08-10 · Updated 2024-08-03 · CVE-2021-21810

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Xmill version 0.7

Description A memory corruption issue exists in the XML-parsing ParseAttribs functionality. This can be triggered by a specially crafted XML file, leading to a heap buffer overflow. An attacker can exploit this by providing a malicious file, potentially allowing remote code execution.

Recommendations For Xmill version 0.7, consider disabling the ParseAttribs functionality until a patch is available to prevent potential exploitation. Restrict access to parsing untrusted XML files to minimize the risk of heap buffer overflow. Avoid using Xmill version 0.7 for parsing XML files from unverified sources until the issue is resolved.

Exploit

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

BDU:2023-02704

CVE-2021-21810

Affected Products

Xmill

References · 11

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1278 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21810 · Vendor Advisory
• https://safe-surf.ru/upload/VULN/VULN-20210813.2.pdf · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-21810 · Security Note
• https://bdu.fstec.ru/vul/2023-02704 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021081203 · Note
• https://t.me/cibsecurity/40759 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-22-223-03 · Note
• https://se.com/hk/en/download/document/SEVD-2021-222-02 · Note
• https://t.me/cvenotify/88695 · Telegram Post
• https://t.me/cvenotify/28899 · Telegram Post