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ubuntuUbuntuUSN-5064-2
HistoryJan 27, 2022 - 12:00 a.m.

GNU cpio vulnerability

2022-01-2700:00:00
ubuntu.com
84
gnu cpio
ubuntu 16.04 esm
pattern files
denial of service
arbitrary code
vulnerability
update

CVSS2

6.8

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

CVSS3

7.8

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

AI Score

8.5

Confidence

High

EPSS

0.003

Percentile

65.1%

Releases

  • Ubuntu 16.04 ESM

Packages

  • cpio - a tool to manage archives of files

Details

USN-5064-1 fixed vulnerabilities in GNU cpio. This update provides
the corresponding updates for Ubuntu 16.04 ESM.

Original advisory 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
Ubuntu16.04noarchcpio< 2.11+dfsg-5ubuntu1.1+esm1UNKNOWN
Ubuntu16.04noarchcpio< 2.11+dfsg-5ubuntu1.1UNKNOWN

CVSS2

6.8

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

CVSS3

7.8

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

AI Score

8.5

Confidence

High

EPSS

0.003

Percentile

65.1%