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cve[email protected]CVE-2021-21813
HistoryAug 13, 2021 - 11:15 p.m.

CVE-2021-21813

2021-08-1323:15:07
CWE-787
web.nvd.nist.gov
72
3
cve
2021
21813
stack buffer overflow
handlefilearg
user-controlled input
security vulnerability
nvd

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

17.9%

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 memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.

Affected configurations

Vulners
NVD
Node
alliedtelesynat-8024Range0.7
VendorProductVersionCPE
alliedtelesynat\-8024*cpe:2.3:h:alliedtelesyn:at\-8024:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "AT&T",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "AT&T Labs Xmill 0.7"
      }
    ]
  }
]

Social References

More

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

17.9%

Related for CVE-2021-21813