CVE-2019-3858
Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 21 Mar 2019, 20:22
Last modified:04 Aug 2024, 19:19
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.1 CRITICAL
v3.0 (nvd)
EPSS Score
2.19% LOW
2% probability -0.06%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
21 Mar 2019, 20:22
Published
Vulnerability first disclosed
04 Aug 2024, 19:19
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
- v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- v2.0•MEDIUM•Score: 6.4AV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS Trends
Current EPSS score: 2.19%• Percentile: 85%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•debian_linux
8.0
- fedoraproject•fedora
29
- libssh2•libssh2
< 1.8.1
- netapp•ontap_select_deploy_administration_utility
na
- opensuse•leap
15.0 | 42.3
- the libssh2 project•libssh2
1.8.1
References (17)
- http://www.openwall.com/lists/oss-security/2019/03/18/3
- https://seclists.org/bugtraq/2019/Mar/25
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858
- https://www.libssh2.org/CVE-2019-3858.html
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- http://www.securityfocus.com/bid/107485
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://security.netapp.com/advisory/ntap-20190327-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://www.debian.org/security/2019/dsa-4431
- https://seclists.org/bugtraq/2019/Apr/25
- https://access.redhat.com/errata/RHSA-2019:2136
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html