NULL pointer dereference in Libssh
CVE-2020-16135
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
EPSS: 0.041 (89.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Libssh — versions 0.9.4
- Oracle Communications_cloud_native_core_policy — versions 1.15.0
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-16135?
- CVE-2020-16135 is a medium-severity vulnerability in Libssh, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2020-07-29.
- How severe is CVE-2020-16135?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2020-16135 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.