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Vulnerability CVE-2021-21826
Published: 2021-08-20 Modified: 2021-08-21
| 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. |
Type:
CWE-787
CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.5/10 |
6.4/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291
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