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
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
AI Score
Confidence
High
EPSS
Percentile
77.5%
Debian LTS Advisory DLA-2853-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
December 27, 2021 https://wiki.debian.org/LTS
Package : ruby2.3
Version : 2.3.3-1+deb9u11
CVE ID : CVE-2021-41817 CVE-2021-41819
A cookie prefix spoofing vulnerability in CGI::Cookie.parse and a
regular expression denial of service vulnerability (ReDoS) on date
parsing methods were discovered in src:ruby2.1, the Ruby interpreter.
For Debian 9 stretch, these problems have been fixed in version
2.3.3-1+deb9u11.
We recommend that you upgrade your ruby2.3 packages.
For the detailed security status of ruby2.3 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby2.3
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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
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
AI Score
Confidence
High
EPSS
Percentile
77.5%