Vulnerability Description
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | 0.9.4 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 32 |
| Canonical | Ubuntu Linux | 16.04 |
| Oracle | Communications Cloud Native Core Policy | 1.15.0 |
Related Weaknesses (CWE)
References
- https://bugs.libssh.org/T232Issue TrackingVendor Advisory
- https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238ExploitIssue TrackingVendor Advisory
- https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00034.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202011-05Third Party Advisory
- https://usn.ubuntu.com/4447-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://bugs.libssh.org/T232Issue TrackingVendor Advisory
- https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238ExploitIssue TrackingVendor Advisory
- https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00034.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-16135?
CVE-2020-16135 is a vulnerability with a CVSS score of 5.9 (MEDIUM). libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
How severe is CVE-2020-16135?
CVE-2020-16135 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-16135?
Check the references section above for vendor advisories and patch information. Affected products include: Libssh Libssh, Debian Debian Linux, Fedoraproject Fedora, Canonical Ubuntu Linux, Oracle Communications Cloud Native Core Policy.