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ubuntuUbuntuUSN-5359-1
HistoryMar 31, 2022 - 12:00 a.m.

rsync vulnerability

2022-03-3100:00:00
ubuntu.com
91
ubuntu 20.04 lts
ubuntu 18.04 esm
rsync
memory handling
zlib
denial of service
arbitrary code
unix

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0.003

Percentile

68.4%

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • rsync - fast, versatile, remote (and local) file-copying tool

Details

Danilo Ramos discovered that rsync incorrectly handled memory when
performing certain zlib deflating operations. An attacker could use this
issue to cause rsync to crash, resulting in a denial of service, or
possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchrsync< 3.1.3-8ubuntu0.3UNKNOWN
Ubuntu20.04noarchrsync-dbgsym< 3.1.3-8ubuntu0.3UNKNOWN
Ubuntu18.04noarchrsync< 3.1.2-2.1ubuntu1.4UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0.003

Percentile

68.4%