CVE-2021-21830 — Heap-based Buffer Overflow in Xmill

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-91 — XML Injection (aka Blind XPath Injection)3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
2.3%
top 15.34%
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 LabelDict::Load 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 Packages1 packages

▶NVDatt/xmill0.7

🔴Vulnerability Details

2
GHSA
GHSA-jx9g-7qh9-qwj2: A heap-based buffer overflow vulnerability exists in the XML Decompression LabelDict::Load functionality of AT&T Labs’ Xmill 0↗2022-05-24
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CVEList
CVE-2021-21830: A heap-based buffer overflow vulnerability exists in the XML Decompression LabelDict::Load functionality of AT&T Labs’ Xmill 0↗2021-08-13
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CVE-2021-21830 — Heap-based Buffer Overflow in Xmill | cvebase