CVE-2019-3858

MEDIUMMonitor

Published:Mar 21, 2019(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth Required

Vulnerability Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. 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 AccessHigh ComplexityNo Auth NeededUser Interaction Required

🤖

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...Third Party Advisory

CVSS Score

v3.1

5.0/ 10.0

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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-2019:2136

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858Issue 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-2019-3858.htmlPatch

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...Third Party Advisory

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-2019:2136

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858Issue 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-2019-3858.htmlPatch

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

CVSS v3 Vector

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

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

Impact

ScopeUnchanged

ConfidentialityLow

IntegrityLow

AvailabilityLow

Impact Analysis

ConfidentialityLow

NoneLowHigh

IntegrityLow

NoneLowHigh

AvailabilityLow

NoneLowHigh

CVE-2019-3858

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description