CVE-2020-16135

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
Overview
  • CVE ID
  • CVE-2020-16135
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-07-29T21:15:13
  • Last Modified Date
  • 2022-05-12T15:01:25
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libssh:libssh:0.9.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238 Exploit Issue Tracking Vendor Advisory
https://bugs.libssh.org/T232 Issue Tracking Vendor Advisory
https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html Third Party Advisory
https://usn.ubuntu.com/4447-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
https://security.gentoo.org/glsa/202011-05
https://www.oracle.com/security-alerts/cpuapr2022.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-16135
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16135
History
Created Old Value New Value Data Type Notes
2022-04-20 16:59:55 Added to TrackCVE
2022-12-04 20:25:50 2020-07-29T21:15Z 2020-07-29T21:15:13 CVE Published Date updated
2022-12-04 20:25:50 2022-05-12T15:01:25 CVE Modified Date updated
2022-12-04 20:25:50 Analyzed Vulnerability Status updated