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CVE-2019-3862

Good to know:

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Date: March 20, 2019

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Language: C

Severity Score

Related Resources (26)

https://nvd.nist.gov/vuln/detail/CVE-2019-3862
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
http://www.openwall.com/lists/oss-security/2019/03/18/3
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
https://seclists.org/bugtraq/2019/Mar/25
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
https://seclists.org/bugtraq/2019/Apr/25
https://access.redhat.com/security/cve/CVE-2019-3862
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
http://www.securityfocus.com/bid/107485
https://security.netapp.com/advisory/ntap-20190327-0005/
https://access.redhat.com/errata/RHSA-2019:1884
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
https://security-tracker.debian.org/tracker/CVE-2019-3862
https://security.alpinelinux.org/vuln/CVE-2019-3862
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862
https://www.debian.org/security/2019/dsa-4431
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-3862
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.libssh2.org/CVE-2019-3862.html
https://www.mend.io/vulnerability-database/CVE-2019-3862

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Improper Handling of Length Parameter Inconsistency

CWE-130

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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