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ubuntuUbuntuUSN-6399-1
HistorySep 27, 2023 - 12:00 a.m.

Puma vulnerability

2023-09-2700:00:00
ubuntu.com
35
puma
vulnerability
ubuntu
http request
smuggling
attack
parsing
headers
http server

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

9.6 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.2%

Releases

  • Ubuntu 23.04

Packages

  • puma - threaded HTTP 1.1 server for Ruby/Rack applications

Details

It was discovered that Puma incorrectly handled parsing certain headers. A
remote attacker could possibly use this issue to perform an HTTP request
Smuggling attack.

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchpuma< 5.6.5-3ubuntu1.1UNKNOWN
Ubuntu23.04noarchpuma-dbgsym< 5.6.5-3ubuntu1.1UNKNOWN

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

9.6 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.2%