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[email protected]CVE-2020-11076

HistoryMay 22, 2020 - 3:15 p.m.

CVE-2020-11076

2020-05-2215:15:11

CWE-444

[email protected]

web.nvd.nist.gov

201

nvd

cve-2020-11076

puma rubygem

security vulnerability

http response smuggling

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.3 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.4%

JSON

In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.

Affected configurations

Vulners

NVD

Node

pumapumaRange<3.12.5

pumapumaRange4.0.0–4.3.4

VendorProductVersionCPE
pumapuma*cpe:2.3:a:puma:puma:*:*:*:*:*:*:*:*
pumapuma*cpe:2.3:a:puma:puma:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
puma	puma	*	cpe:2.3:a:puma:puma::::::::
puma	puma	*	cpe:2.3:a:puma:puma::::::::

CNA Affected

[
  {
    "product": "puma",
    "vendor": "puma",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.12.5"
      },
      {
        "status": "affected",
        "version": ">= 4.0.0, < 4.3.4"
      }
    ]
  }
]