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ubuntuUbuntuUSN-5064-1
HistorySep 08, 2021 - 12:00 a.m.

GNU cpio vulnerability

2021-09-0800:00:00
ubuntu.com
99

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.2%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • cpio - a tool to manage archives of files

Details

Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled
certain pattern files. A remote attacker could use this issue to cause cpio
to crash, resulting in a denial of service, or possibly execute arbitrary
code.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchcpio< 2.13+dfsg-4ubuntu0.3UNKNOWN
Ubuntu21.04noarchcpio-win32< 2.13+dfsg-4ubuntu0.3UNKNOWN
Ubuntu20.04noarchcpio< 2.13+dfsg-2ubuntu0.3UNKNOWN
Ubuntu20.04noarchcpio-win32< 2.13+dfsg-2ubuntu0.3UNKNOWN
Ubuntu18.04noarchcpio< 2.12+dfsg-6ubuntu0.18.04.4UNKNOWN
Ubuntu18.04noarchcpio-win32< 2.12+dfsg-6ubuntu0.18.04.4UNKNOWN

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.2%