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

CVE-2020-16135

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

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

MEDIUM · CVSS 5.9 EPSS 0.01407
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

5
libsshall versions
debian linuxall versions
fedoraproject fedoraall versions
canonical ubuntu linuxall versions
oracle communications cloud native core policyall versions
⚠

Public Exploits & PoCs

1
pocbugs.libssh.org · rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238bugs.libssh.org
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Jul 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10998-1
suse-csafSUSE-SU-2024:0539-1
suse-csafSUSE-SU-2024:0525-1
rhsaRHSA-2021:4750Important
usnUSN-4447-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.libssh.org/T232Issue 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.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
https://security.gentoo.org/glsa/202011-05Third Party Advisory
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