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redhatRedHatRHSA-2024:0455
HistoryJan 24, 2024 - 2:40 p.m.

(RHSA-2024:0455) Moderate: openssh security update

2024-01-2414:40:54
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19
openssh
ssh protocol
security update
linux
unix
command injection
cvss score
cve-2023-48795
cve-2023-51385
prefix truncation attack
shell metacharacters

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

7.9 High

AI Score

Confidence

High

0.963 High

EPSS

Percentile

99.5%

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

  • ssh: Prefix truncation attack on Binary Packet Protocol (BPP) (CVE-2023-48795)

  • openssh: potential command injection via shell metacharacters (CVE-2023-51385)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

7.9 High

AI Score

Confidence

High

0.963 High

EPSS

Percentile

99.5%