GitHub_MCVELIST:CVE-2020-11076CVE-2020-11076 HTTP Smuggling via Transfer-Encoding Header in Puma
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
6.9 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
77.4%
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.
CNA Affected
[
{
"product": "puma",
"vendor": "puma",
"versions": [
{
"status": "affected",
"version": "< 3.12.5"
},
{
"status": "affected",
"version": ">= 4.0.0, < 4.3.4"
}
]
}
]References
lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html
github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22
github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd
github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h
lists.debian.org/debian-lts-announce/2020/10/msg00009.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/
Related
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
6.9 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
77.4%