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rockyRockylinux Product ErrataRLSA-2023:3839
HistoryJul 08, 2023 - 2:54 a.m.

libssh security update

2023-07-0802:54:11
Rockylinux Product Errata
errata.rockylinux.org
25
libssh
security update
rocky linux 8
null pointer dereference
authorization bypass
cve
cvss
ssh protocol
vulnerability

CVSS3

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

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

EPSS

0.002

Percentile

52.0%

An update is available for libssh.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.

Security Fix(es):

  • libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)

  • libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)

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.

CVSS3

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

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

EPSS

0.002

Percentile

52.0%