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[email protected]CVE-2021-32840

HistoryJan 26, 2022 - 9:15 p.m.

CVE-2021-32840

2022-01-2621:15:13

CWE-22

[email protected]

web.nvd.nist.gov

sharpziplib

cve-2021-32840

zip

gzip

tar

bzip2

vulnerability

code execution

patch

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.8%

JSON

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry ../evil.txt may be extracted in the parent directory of destFolder. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

Affected configurations

Vulners

NVD

Node

icsharpcodesharpziplibRange<1.3.3

icsharpcodesharpziplibRange<0.86.0*

CPENameOperatorVersion
sharpziplib_project:sharpziplibsharpziplib project sharpzipliblt1.3.3

CPE	Name	Operator	Version
sharpziplib_project:sharpziplib	sharpziplib project sharpziplib	lt	1.3.3

CNA Affected

[
  {
    "product": "sharpziplib",
    "vendor": "icsharpcode",
    "versions": [
      {
        "lessThan": "1.3.3",
        "status": "affected",
        "version": "1.3.3",
        "versionType": "custom"
      },
      {
        "lessThan": "0.86.0*",
        "status": "affected",
        "version": "0.86.0",
        "versionType": "custom"
      }
    ]
  }
]