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centosCentOS ProjectCESA-2023:5615
HistoryJan 12, 2024 - 7:24 p.m.

libssh2 security update

2024-01-1219:24:28
CentOS Project
lists.centos.org
77
centos
security advisory
ssh2 protocol
cve-2020-22218
upstream details
red hat
unix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

Low

EPSS

0.001

Percentile

35.3%

CentOS Errata and Security Advisory CESA-2023:5615

The libssh2 packages provide a library that implements the SSH2 protocol.

Security Fix(es):

  • libssh2: use-of-uninitialized-value in _libssh2_transport_read (CVE-2020-22218)

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2024-January/099197.html

Affected packages:
libssh2
libssh2-devel
libssh2-docs

Upstream details at:
https://access.redhat.com/errata/RHSA-2023:5615

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

Low

EPSS

0.001

Percentile

35.3%