CVE-2020-16135

Public Exploit

Description

libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.77% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory libssh.org Vendor Advisory libssh.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.libssh.org/T232 vendor advisory issue tracking
https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238 vendor advisory issue tracking exploit
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 mailing list
https://usn.ubuntu.com/4447-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/ vendor advisory
https://security.gentoo.org/glsa/202011-05 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-16135?
CVE-2020-16135 has been scored as a medium severity vulnerability.
How to fix CVE-2020-16135?
To fix CVE-2020-16135, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16135 being actively exploited in the wild?
It is possible that CVE-2020-16135 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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