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ubuntucveUbuntu.comUB:CVE-2023-38408
HistoryJul 19, 2023 - 12:00 a.m.

CVE-2023-38408

2023-07-1900:00:00
ubuntu.com
ubuntu.com
353

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.03 Low

EPSS

Percentile

90.8%

The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an
insufficiently trustworthy search path, leading to remote code execution if
an agent is forwarded to an attacker-controlled system. (Code in /usr/lib
is not necessarily safe for loading into ssh-agent.) NOTE: this issue
exists because of an incomplete fix for CVE-2016-10009.

Notes

Author Note
seth-arnold openssh-ssh1 is provided for compatibility with old devices that cannot be upgraded to modern protocols. Thus we may not provide security support for this package if doing so would prevent access to equipment.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenssh<Β 1:7.6p1-4ubuntu0.7+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchopenssh<Β 1:8.2p1-4ubuntu0.8UNKNOWN
ubuntu22.04noarchopenssh<Β 1:8.9p1-3ubuntu0.3UNKNOWN
ubuntu23.04noarchopenssh<Β 1:9.0p1-1ubuntu8.4UNKNOWN
ubuntu23.10noarchopenssh<Β 1:9.3p1-1ubuntu2UNKNOWN
ubuntu14.04noarchopenssh<Β 1:6.6p1-2ubuntu2.13+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchopenssh<Β 1:7.2p2-4ubuntu2.10+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchopenssh-ssh1<Β anyUNKNOWN
ubuntu20.04noarchopenssh-ssh1<Β anyUNKNOWN
ubuntu22.04noarchopenssh-ssh1<Β anyUNKNOWN
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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.03 Low

EPSS

Percentile

90.8%