Ubuntu.comUB:CVE-2020-11076CVE-2020-11076
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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.005 Low
EPSS
Percentile
75.4%
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.
References
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
launchpad.net/bugs/cve/CVE-2020-11076
nvd.nist.gov/vuln/detail/CVE-2020-11076
security-tracker.debian.org/tracker/CVE-2020-11076
ubuntu.com/security/notices/USN-6682-1
www.cve.org/CVERecord?id=CVE-2020-11076
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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.005 Low
EPSS
Percentile
75.4%