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almalinuxAlmaLinuxALSA-2024:2504
HistoryApr 30, 2024 - 12:00 a.m.

Low: libssh security update

2024-04-3000:00:00
errata.almalinux.org
3
libssh
security update
proxycommand
proxyjump
injection
malicious code
hostname
digest checks
cve-2023-6004
cve-2023-6918
cvss score
almalinux
release notes
ssh protocol

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.1%

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.

Security Fix(es):

  • libssh: ProxyCommand/ProxyJump features allow injection of malicious code through hostname (CVE-2023-6004)
  • libssh: Missing checks for return values for digests (CVE-2023-6918)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.1%