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centosCentOS ProjectCESA-2020:3915
HistoryOct 20, 2020 - 6:24 p.m.

libssh2 security update

2020-10-2018:24:14
CentOS Project
lists.centos.org
208

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.9%

JSON

CentOS Errata and Security Advisory CESA-2020:3915

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

Security Fix(es):

  • libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c (CVE-2019-17498)

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 Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2020-October/032831.html

Affected packages:
libssh2
libssh2-devel
libssh2-docs

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:3915

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5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.9%

JSON
Related for CESA-2020:3915
nessus36openvas20alpinelinux1nvd1veracode1cbl_mariner2suse3debian3osv5cvelist1ubuntucve1redhat8redhatcve1ibm6cve1debiancve1amazon1mageia1prion1fedora2photon8oraclelinux1ubuntu1oracle1ics1