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ubuntuUbuntuUSN-4327-1
HistoryApr 09, 2020 - 12:00 a.m.

libssh vulnerability

2020-04-0900:00:00
ubuntu.com
31

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

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

73.9%

JSON

Releases

  • Ubuntu 19.10
  • Ubuntu 18.04 ESM

Packages

  • libssh - A tiny C SSH library

Details

Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A
remote attacker could possibly use this issue to cause libssh to crash,
resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu19.10noarchlibssh-4< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-4-dbgsym< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-dev< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-doc< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-gcrypt-4< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-gcrypt-4-dbgsym< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu19.10noarchlibssh-gcrypt-dev< 0.9.0-1ubuntu1.4UNKNOWN
Ubuntu18.04noarchlibssh-4< 0.8.0~20170825.94fa1e38-1ubuntu0.6UNKNOWN
Ubuntu18.04noarchlibssh-4-dbgsym< 0.8.0~20170825.94fa1e38-1ubuntu0.6UNKNOWN
Ubuntu18.04noarchlibssh-dev< 0.8.0~20170825.94fa1e38-1ubuntu0.6UNKNOWN
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Related

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prion 1
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ibm 2
osv 2
suse 1
f5 1
cve 1
fedora 2
veracode 1
archlinux 1
freebsd 1
debiancve 1
mageia 1
oraclelinux 1
rocky 1
almalinux 1
oracle 1
nessus
nessus
GLSA-202004-08 : libssh: Denial of service
2020-04-14 00:00:00
Fedora 31 : libssh (2020-5a77f0d68f)
2020-04-20 00:00:00
EulerOS 2.0 SP8 : libssh (EulerOS-SA-2020-1509)
2020-04-20 00:00:00
prion
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Design/Logic Flaw
2020-04-13 19:15:00
ubuntucve
ubuntucve
CVE-2020-1730
2020-04-09 00:00:00
redhat
redhat
(RHSA-2020:5218) Moderate: Red Hat Virtualization security, bug fix, and enhancement update
2020-11-24 12:31:40
(RHSA-2020:4545) Moderate: libssh security, bug fix, and enhancement update
2020-11-03 12:14:19
(RHSA-2021:0146) Moderate: Release of OpenShift Serverless 1.12.0
2021-01-14 13:24:22
redhatcve
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CVE-2020-1730
2020-04-09 11:15:24
gentoo
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libssh: Denial of service
2020-04-10 00:00:00
openvas
openvas
Fedora: Security Advisory for libssh (FEDORA-2020-6cad41abb0)
2020-04-30 00:00:00
openSUSE: Security Advisory for libssh (openSUSE-SU-2020:0510-1)
2020-04-13 00:00:00
Huawei EulerOS: Security Advisory for libssh (EulerOS-SA-2020-1509)
2020-04-20 00:00:00
alpinelinux
alpinelinux
CVE-2020-1730
2020-04-13 19:15:00
ibm
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Security Bulletin: Vulnerability in libssh affects Power Hardware Management Console (CVE-2020-1730).
2021-11-17 16:23:56
Security Bulletin: IBM QRadar SIEM Application Framework Base Image is vulnerable to using components with Known Vulnerabilities
2021-12-03 18:52:37
osv
osv
CVE-2020-1730
2020-04-13 19:15:11
Moderate: libssh security, bug fix, and enhancement update
2020-11-03 12:14:19
suse
suse
Security update for libssh (moderate)
2020-04-12 00:00:00
f5
f5
K05295501 : libssh vulnerability CVE-2020-1730
2020-07-14 00:00:00
cve
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CVE-2020-1730
2020-04-13 19:15:00
fedora
fedora
[SECURITY] Fedora 32 Update: libssh-0.9.4-2.fc32
2020-04-28 02:33:33
[SECURITY] Fedora 31 Update: libssh-0.9.4-2.fc31
2020-04-18 00:08:45
veracode
veracode
Denial Of Service (DoS)
2020-08-06 21:36:13
archlinux
archlinux
[ASA-202004-11] libssh: denial of service
2020-04-09 00:00:00
freebsd
freebsd
Client/server denial of service when handling AES-CTR ciphers
2020-01-25 00:00:00
debiancve
debiancve
CVE-2020-1730
2020-04-13 19:15:00
mageia
mageia
Updated libssh packages fix security vulnerability
2020-04-15 13:12:14
oraclelinux
oraclelinux
libssh security, bug fix, and enhancement update
2020-11-10 00:00:00
rocky
rocky
libssh security, bug fix, and enhancement update
2020-11-03 12:14:19
almalinux
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Moderate: libssh security, bug fix, and enhancement update
2020-11-03 12:14:19
oracle
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Oracle Critical Patch Update Advisory - October 2020
2020-10-20 00:00:00

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

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

73.9%

JSON
Related for USN-4327-1
nessus19prion1ubuntucve1redhat16redhatcve1gentoo1openvas11alpinelinux1ibm2osv2suse1f51cve1fedora2veracode1archlinux1freebsd1debiancve1mageia1oraclelinux1rocky1almalinux1oracle1