CVE-2019-3862

HIGHScheduled

Published:Mar 21, 2019(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

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.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
libssh2	libssh2	1.8.1	-
fedoraproject	fedora	-	-
debian	debian_linux	-

Timeline

Published
CVE disclosed publicly
Mar 21, 20197 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040....Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003....Third Party Advisory
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisor...Patch

CVSS Score

v3.1

7.3/ 10.0

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

At a Glance

Affected Products

References

libssh2 / libssh2

http://www.openwall.com/lists/oss-security/2019/03/18/3Mailing List

http://www.securityfocus.com/bid/107485Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:1884

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862Issue Tracking

https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://seclists.org/bugtraq/2019/Apr/25

https://seclists.org/bugtraq/2019/Mar/25Mailing List

https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory

https://www.broadcom.com/support/fibre-channel-networking/security-adv...Third Party Advisory

https://www.debian.org/security/2019/dsa-4431

https://www.libssh2.org/CVE-2019-3862.htmlVendor Advisory

https://www.oracle.com/security-alerts/cpujan2020.html

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-507283...

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003....Third Party Advisory

http://packetstormsecurity.com/files/152136/Slackware-Security-Advisor...Patch

http://www.openwall.com/lists/oss-security/2019/03/18/3Mailing List

http://www.securityfocus.com/bid/107485Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:1884

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862Issue Tracking

https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://seclists.org/bugtraq/2019/Apr/25

https://seclists.org/bugtraq/2019/Mar/25Mailing List

https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory

https://www.broadcom.com/support/fibre-channel-networking/security-adv...Third Party Advisory

https://www.debian.org/security/2019/dsa-4431

https://www.libssh2.org/CVE-2019-3862.htmlVendor Advisory

https://www.oracle.com/security-alerts/cpujan2020.html

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-507283...

CVSS v3 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityLow

IntegrityLow

AvailabilityLow

Impact Analysis

ConfidentialityLow

NoneLowHigh

IntegrityLow

NoneLowHigh

AvailabilityLow

NoneLowHigh

CVE-2019-3862

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description