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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:162020
[Rus]
Version
3
Class
patch
ALTXid
369491
Language
English
Severity
High
Title
DLA-2780-1 -- ruby2.3 security update
Description
Multiple vulnerabilites in ruby2.3, interpreter of object-oriented scripting language Ruby, were discovered. CVE-2021-31799 In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 2.3.3, it is possible to execute arbitrary code via | and tags in a filename. CVE-2021-31810 An issue was discovered in Ruby through 2.3.3. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions). CVE-2021-32066 An issue was discovered in Ruby through 2.3.3. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a StartTLS stripping attack.
Family
unix
Platform
Debian 9
Product
ruby2.3
Reference
VENDOR: DLA-2780-1
VENDOR: DLA-2780-1
Id:
DLA-2780-1
Reference:
https://lists.debian.org/debian-lts-announce/2021/debian-lts-announce-202110/msg00009.html
CVE: CVE-2021-31799
CVE: CVE-2021-31799
Id:
CVE-2021-31799
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31799
Comment
: In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.
CVSSv2 Score:
4.4
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'))
References:
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/ (MISC)
https://security-tracker.debian.org/tracker/CVE-2021-31799 (MISC)
https://security.netapp.com/advisory/ntap-20210902-0004/ (CONFIRM)
[debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update (MLIST)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
GLSA-202401-05 ()
CVE: CVE-2021-31810
CVE: CVE-2021-31810
Id:
CVE-2021-31810
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31810
Comment
: An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions).
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
5.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CWE:
CWE-Other ()
References:
https://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/ (MISC)
https://hackerone.com/reports/1145454 (MISC)
https://security.netapp.com/advisory/ntap-20210917-0001/ (CONFIRM)
[debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update (MLIST)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update (MLIST)
FEDORA-2021-36cdab1f8d ()
GLSA-202401-27 ()
CVE: CVE-2021-32066
CVE: CVE-2021-32066
Id:
CVE-2021-32066
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32066
Comment
: An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
CVSSv2 Score:
5.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSSv3 Score:
7.4
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE:
755 (Improper Handling of Exceptional Conditions)
References:
https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a (CONFIRM)
https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/ (CONFIRM)
https://hackerone.com/reports/1178562 (MISC)
https://security.netapp.com/advisory/ntap-20210902-0004/ (CONFIRM)
[debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update (MLIST)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update (MLIST)
GLSA-202401-27 ()
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