Vulnerability Details : CVE-2021-21815
Potential exploit
A stack-based buffer overflow vulnerability exists in the command-line-parsing HandleFileArg functionality of AT&T Labs' Xmill 0.7. Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to strcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow. An attacker can provide malicious input to trigger this vulnerability.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-21815
- cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21815
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21815
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Talos | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-21815
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21815
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280
TALOS-2021-1280 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
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