NULL Pointer Dereference Affecting libssh package, versions <0:0.9.4-3.el8
Threat Intelligence
EPSS
0.6% (79th
percentile)
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Test your applications- Snyk ID SNYK-ORACLE8-LIBSSH-2597495
- published 10 Apr 2022
- disclosed 29 Jul 2020
Introduced: 29 Jul 2020
CVE-2020-16135 Open this link in a new tabHow to fix?
Upgrade Oracle:8 libssh to version 0:0.9.4-3.el8 or higher.
This issue was patched in ELSA-2021-4387.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libssh package and not the libssh package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
References
- https://linux.oracle.com/cve/CVE-2020-16135.html
- https://linux.oracle.com/errata/ELSA-2021-4387.html
- 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@lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
- https://security.gentoo.org/glsa/202011-05
- https://usn.ubuntu.com/4447-1/
- https://www.oracle.com/security-alerts/cpuapr2022.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/
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