Vulnerability Spotlight: Multiple vulnerabilities in AT&T Labs’ Xmill utility
60
CVE-2021-21826
PoC —CVSS 3.1
9.8 critical
EPSS
1%p65
Published
()
Modified
Description
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within `DecodeTreeBlock` which is called during the decompression of an XMI file, a UINT32 is loaded from the file and used as trusted input as the length of a buffer. An attacker can provide a malicious file to trigger this vulnerability.
- Vendors
- att
- Products
- xmill
- Weakness
- CWE-120, CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H