CVE-2021-21829

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-913 documents3 sources
Severity
9.8CRITICAL
EPSS
2.3%
top 15.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
ATT Xmill
Timeline
PublishedAug 13
Latest updateMay 24

Description

A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5at&tAT&T Labs Xmill 0.7
▶NVDatt/xmill0.7

🔴Vulnerability Details

2
GHSA
GHSA-whj6-8xvc-hmjm: A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0↗2022-05-24
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CVEList
CVE-2021-21829: A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0↗2021-08-13
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CVE-2021-21829 (CRITICAL CVSS 9.8) | A heap-based buffer overflow vulner | cvebase.io