Log message:
Pullup ticket #6107 - requested by is
security/libssh: security fix

Revisions pulled up:
- security/libssh/Makefile                                      1.34
- security/libssh/PLIST                                         1.15
- security/libssh/distinfo                                      1.20

---
   Module Name:    pkgsrc
   Committed By:   wiz
   Date:           Tue Dec 31 12:27:03 UTC 2019

   Modified Files:
           pkgsrc/security/libssh: Makefile PLIST distinfo

   Log message:
   libssh: update to 0.93.

   version 0.9.3 (released 2019-12-10)
     * Fixed CVE-2019-14889 - SCP: Unsanitized location leads to command execution
     * SSH-01-003 Client: Missing NULL check leads to crash in erroneous state
     * SSH-01-006 General: Various unchecked Null-derefs cause DOS
     * SSH-01-007 PKI Gcrypt: Potential UAF/double free with RSA pubkeys
     * SSH-01-010 SSH: Deprecated hash function in fingerprinting
     * SSH-01-013 Conf-Parsing: Recursive wildcards in hostnames lead to DOS
     * SSH-01-014 Conf-Parsing: Integer underflow leads to OOB array access
     * SSH-01-001 State Machine: Initial machine states should be set explicitly
     * SSH-01-002 Kex: Differently bound macros used to iterate same array
     * SSH-01-005 Code-Quality: Integer sign confusion during assignments
     * SSH-01-008 SCP: Protocol Injection via unescaped File Names
     * SSH-01-009 SSH: Update documentation which RFCs are implemented
     * SSH-01-012 PKI: Information leak via uninitialized stack buffer