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ubuntuUbuntuUSN-5378-1
HistoryApr 13, 2022 - 12:00 a.m.

Gzip vulnerability

2022-04-1300:00:00
ubuntu.com
90

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.007 Low

EPSS

Percentile

80.3%

Releases

  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • gzip - GNU compression utilities

Details

Cleemy Desu Wayo discovered that Gzip incorrectly handled certain
filenames. If a user or automated system were tricked into performing zgrep
operations with specially crafted filenames, a remote attacker could
overwrite arbitrary files.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchgzip< 1.10-4ubuntu1.1UNKNOWN
Ubuntu21.10noarchgzip-dbgsym< 1.10-4ubuntu1.1UNKNOWN
Ubuntu21.10noarchgzip-win32< 1.10-4ubuntu1.1UNKNOWN
Ubuntu20.04noarchgzip< 1.10-0ubuntu4.1UNKNOWN
Ubuntu20.04noarchgzip-dbgsym< 1.10-0ubuntu4.1UNKNOWN
Ubuntu20.04noarchgzip-win32< 1.10-0ubuntu4.1UNKNOWN
Ubuntu18.04noarchgzip< 1.6-5ubuntu1.2UNKNOWN
Ubuntu18.04noarchgzip-dbgsym< 1.6-5ubuntu1.2UNKNOWN
Ubuntu18.04noarchgzip-win32< 1.6-5ubuntu1.2UNKNOWN

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.007 Low

EPSS

Percentile

80.3%