Good evening,
I don't know if these are properly rkhunter questions, yum questions, or
F-20 questions, so I'm posting to both lists.
Last Monday, I updated my 64-bit system from Fedora-19 to Fedora-20.
Several minutes ago, I updated Fedora-20 by doing "yum update". I then
did "rkhunter --update", and then "rkhunter --check". I'm getting a lot
of issues.
1. I get these messages in the rkhunter log:
[18:55:34] Info: The command 'rpm -qf --queryformat...
/usr/sbin/chkconfig' gave error code 1.
[18:55:39] Info: The command 'rpm -qf --queryformat... /usr/sbin/fuser'
gave error code 1.
[18:55:40] Info: The command 'rpm -qf --queryformat...
/usr/sbin/ifconfig' gave error code 1.
[18:55:44] Info: The command 'rpm -qf --queryformat... /usr/sbin/route'
gave error code 1.
[18:55:44] Info: The command 'rpm -qf --queryformat...
/usr/sbin/rsyslogd' gave error code 1.
[18:55:50] Info: The command 'rpm -qf --queryformat... /usr/bin/ed' gave
error code 1.
[18:55:50] Info: The command 'rpm -qf --queryformat... /usr/bin/egrep'
gave error code 1.
[18:55:50] Info: The command 'rpm -qf --queryformat... /usr/bin/fgrep'
gave error code 1.
[18:55:52] Info: The command 'rpm -qf --queryformat... /usr/bin/grep'
gave error code 1.
[18:55:55] Info: The command 'rpm -qf --queryformat... /usr/bin/mail'
gave error code 1.
[18:55:55] Info: The command 'rpm -qf --queryformat... /usr/bin/netstat'
gave error code 1.
[18:56:01] Info: The command 'rpm -qf --queryformat... /usr/bin/rpm'
gave error code 1.
[18:56:01] Info: The command 'rpm -qf --queryformat... /usr/bin/sed'
gave error code 1.
[18:56:07] Info: The command 'rpm -qf --queryformat... /usr/bin/mailx'
gave error code 1.
I get these warnings a lot (both under F-19, and since updating to
F-20). What's causing these warnings? Is there something yum should be
doing, but isn't? Is there something I should be doing, but I don't
know it?
2. I get this warning in the rkhunter log:
[18:55:49] /usr/bin/curl [ Warning ]
[18:55:49] Warning: Package manager verification has failed:
[18:55:49] File: /usr/bin/curl
[18:55:49] Try running the command 'prelink /usr/bin/curl' to
resolve dependency errors.
[18:55:49] The file hash value has changed
[18:55:49] The file size has changed
The warning gives me the immediate fix, and it works. But the problem
recurs after almost every "yum update" (both under F-19, and since
updating to F-20), though not on the same packages each time. What's the
real problem? Is there something yum should be doing, but isn't? Is
there something I should be doing, but I don't know it?
3. Since updating to F-20, I'm seeing this warning:
[18:56:18]
[18:56:18] Checking for GasKit Rootkit...
[18:56:18] Checking for file '/dev/dev/gaskit/sshd/sshdd' [ Not found ]
[18:56:18] Checking for directory '/dev/dev' [ Found ]
[18:56:18] Checking for directory '/dev/dev/gaskit' [ Not found ]
[18:56:18] Checking for directory '/dev/dev/gaskit/sshd' [ Not found ]
[18:56:18] Warning: GasKit Rootkit [ Warning ]
[18:56:18] Directory '/dev/dev' found
[18:56:18]
The directory "/dev/dev/" contains one entry:
bash.6[dev]: ll
total 0
lrwxrwxrwx. 1 root root 10 Jan 29 13:48 resume -> ../../sda5
bash.7[dev]:
Doing "file resume" gives this:
bash.21[dev]: file resume
resume: broken symbolic link to `../../sda5'
bash.22[dev]:
I see no "sda5" in the root directory. A "df" shows no filesystem. An
"ls -a" of the root directory shows one file I did not expect:
-rw-r--r--. 1 root root 178665 Jan 29 18:50 .readahead
It seems to be binary.
Do I have a security problem? What are "/dev/dev/resume" and "/.readahead"?
thanks,
Bill.
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