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debianDebianDEBIAN:DSA-5066-1:E9961
HistoryFeb 03, 2022 - 7:26 p.m.

[SECURITY] [DSA 5066-1] ruby2.5 security update

2022-02-0319:26:40
lists.debian.org
29

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/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

8.6 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.7%


Debian Security Advisory DSA-5066-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
February 03, 2022 https://www.debian.org/security/faq


Package : ruby2.5
CVE ID : CVE-2021-28965 CVE-2021-31799 CVE-2021-31810
CVE-2021-41817 CVE-2021-41819 CVE-2021-32066

Several vulnerabilities have been discovered in the interpreter for the
Ruby language and the Rubygems included, which may result on result in
XML roundtrip attacks, the execution of arbitrary code, information
disclosure, StartTLS stripping in IMAP or denial of service.

For the oldstable distribution (buster), these problems have been fixed
in version 2.5.5-3+deb10u4.

We recommend that you upgrade your ruby2.5 packages.

For the detailed security status of ruby2.5 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby2.5

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/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

8.6 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.7%