CVE-2019-3859
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.6 Medium
AI Score
Confidence
High
0.021 Low
EPSS
Percentile
89.1%
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html
packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
www.openwall.com/lists/oss-security/2019/03/18/3
www.securityfocus.com/bid/107485
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859
lists.debian.org/debian-lts-announce/2019/03/msg00032.html
lists.debian.org/debian-lts-announce/2019/04/msg00006.html
lists.debian.org/debian-lts-announce/2019/07/msg00024.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
seclists.org/bugtraq/2019/Apr/25
seclists.org/bugtraq/2019/Mar/25
security.netapp.com/advisory/ntap-20190327-0005/
www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
www.debian.org/security/2019/dsa-4431
www.libssh2.org/CVE-2019-3859.html
www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Related
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.6 Medium
AI Score
Confidence
High
0.021 Low
EPSS
Percentile
89.1%