CVE-2020-16135
Published: August 31, 2023Last modified: August 31, 2023
Description
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libssh | Not affected (0.10.5-r0) |
| Stream | libssh | Not affected (0.10.5-r0) |
References
- https://bugs.libssh.org/T232
- https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238
- https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120
- https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
- https://security.gentoo.org/glsa/202011-05
- https://usn.ubuntu.com/4447-1/
- https://www.oracle.com/security-alerts/cpuapr2022.html