Home/CVE/An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from
CVE

CVE-2019-3858

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from

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.

MEDIUM · CVSS 5 EPSS 0.02187
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

5
libssh2< 1.8.1
fedoraproject fedoraall versions
debian linuxall versions
netapp ontap select deploy administration utilityall versions
opensuse leapall versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Slackware-Security-Advisory-libssh2-Updates.htmlpacketstormsecurity.com
▣

Scoring & Timeline

5
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Mar 2019 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:10999-1
siemens-csafSSA-398330
usnUSN-5308-1
suse-csafopenSUSE-SU-2020:2129-1
suse-csafopenSUSE-SU-2020:2126-1
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/18/3Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/107485Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing ListThird Party Advisory
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