CVE-2020-16135 — NULL Pointer Dereference in Libssh

CWE-476 — NULL Pointer Dereference10 documents9 sources
Severity
5.9MEDIUMNVD
EPSS
1.8%
top 17.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
LibsshCanonical Ubuntu LinuxDebian Linux+2 more
Timeline
PublishedJul 29
Latest updateMay 24

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

▶Debianlibssh/libssh< 0.9.5-1+3
▶NVDlibssh/libssh0.9.4

Also affects: Debian Linux 9.0, Fedora 32, 33, Ubuntu Linux 16.04, 18.04, 20.04

Patches

Patch: www.oracle.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-9j7p-fvvp-cp57: libssh 0↗2022-05-24
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OSV
CVE-2020-16135: libssh 0↗2020-07-29
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CVEList
CVE-2020-16135: libssh 0↗2020-07-29
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📋Vendor Advisories

4
Oracle
Oracle Oracle Communications Risk Matrix: Policy (libssh) — CVE-2020-16135↗2022-04-15
▶
Ubuntu
libssh vulnerability↗2020-08-04
▶
Red Hat
libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL↗2020-07-30
▶
Debian
CVE-2020-16135: libssh - libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new re...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-16135 libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL↗2020-07-31
▶
Bugzilla
CVE-2020-16135 libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL [fedora-all]↗2020-07-31
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CVE-2020-16135 — NULL Pointer Dereference in Libssh | cvebase