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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:246205
[Rus]
Version
1
Class
patch
ALTXid
475359
Language
English
Severity
High
Title
USN-6565-1 -- OpenSSH vulnerabilities
Description
It was discovered that OpenSSH incorrectly handled supplemental groups when
running helper programs for AuthorizedKeysCommand and
AuthorizedPrincipalsCommand as a different user. An attacker could possibly
use this issue to escalate privileges. This issue only affected Ubuntu
20.04 LTS. (CVE-2021-41617)
Family
unix
Platform
Linux Mint 20.x
Ubuntu 20.04
Ubuntu 22.04
Ubuntu 23.04
Ubuntu 23.10
Product
openssh
Reference
VENDOR: USN-6565-1
VENDOR: USN-6565-1
Id:
USN-6565-1
Reference:
https://ubuntu.com/security/notices/USN-6565-1
CVE: CVE-2021-41617
CVE: CVE-2021-41617
Id:
CVE-2021-41617
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41617
Comment
: sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.
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:
CWE-Other ()
References:
https://www.openwall.com/lists/oss-security/2021/09/26/1 (MISC)
https://www.openssh.com/txt/release-8.8 (MISC)
https://www.openssh.com/security.html (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1190975 (CONFIRM)
https://security.netapp.com/advisory/ntap-20211014-0004/ (CONFIRM)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
N/A (N/A)
https://www.starwindsoftware.com/security/sw-20220805-0001/ (MISC)
https://www.tenable.com/plugins/nessus/154174 (MISC)
FEDORA-2021-1f7339271d ()
FEDORA-2021-f8df0f8563 ()
FEDORA-2021-fa0e94198f ()
DSA-5586 ()
[debian-lts-announce] 20231226 [SECURITY] [DLA 3694-1] openssh security update ()
CVE: CVE-2023-51384
CVE: CVE-2023-51384
Id:
CVE-2023-51384
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51384
Comment
: In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References:
https://www.openssh.com/txt/release-9.6 ()
https://www.openwall.com/lists/oss-security/2023/12/18/2 ()
https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b ()
DSA-5586 ()
https://security.netapp.com/advisory/ntap-20240105-0005/ ()
https://support.apple.com/kb/HT214084 ()
20240313 APPLE-SA-03-07-2024-2 macOS Sonoma 14.4 ()
CVE: CVE-2023-51385
CVE: CVE-2023-51385
Id:
CVE-2023-51385
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51385
Comment
: In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host name.
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE:
78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'))
References:
https://www.openssh.com/txt/release-9.6 ()
https://www.openwall.com/lists/oss-security/2023/12/18/2 ()
https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a ()
DSA-5586 ()
https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.html ()
[debian-lts-announce] 20231226 [SECURITY] [DLA 3694-1] openssh security update ()
[oss-security] 20231226 CVE-2023-51385, CVE-2023-6004: OpenSSH, libssh: Security weakness in ProxyCommand handling ()
GLSA-202312-17 ()
https://security.netapp.com/advisory/ntap-20240105-0005/ ()
https://support.apple.com/kb/HT214084 ()
20240313 APPLE-SA-03-07-2024-2 macOS Sonoma 14.4 ()
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