| Package | Affected versions | Patched versions |
|---|---|---|
| tectia server | = 6.0.10= 6.0.11= 6.0.12= 6.0.13= 6.0.14= 6.0.17= 6.0.18= 6.0.19= 6.0.20.= 6.0.4= 6.0.5= 6.0.6= 6.0.7= 6.0.8= 6.0.9= 6.1.0= 6.1.1= 6.1.12= 6.1.2= 6.1.3= 6.1.4= 6.1.5= 6.1.6= 6.1.7= 6.1.8= 6.1.9= 6.2.0= 6.2.1= 6.2.2= 6.2.3= 6.2.4= 6.2.5= 6.3.0= 6.3.1= 6.3.2 |
The SSH USERAUTH CHANGE REQUEST feature in SSH Tectia Server 6.0.4 through 6.0.20, 6.1.0 through 6.1.12, 6.2.0 through 6.2.5, and 6.3.0 through 6.3.2 on UNIX and Linux, when old-style password authentication is enabled, allows remote attackers to bypass authentication via a crafted session involving entry of blank passwords, as demonstrated by a root login session from a modified OpenSSH client with an added input_userauth_passwd_changereq call in sshconnect2.c.
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