Package: tripwire
Version: 2.4.2-9
Severity: important
Tripwire segfaults every time I run it on my system, whether in initialize or
check mode. Specifically, it segfaults the first time it encounters a file
owned by a user whose access to the machine is configured in LDAP, not in
/etc/passwd. The crash seems to occur in cUnixFSServices::GetOwnerForFile, when
it calls the getpwuid() function on the LDAP user's uid number.
I have been able to get a segfault from the following program, as well, when
compiling with the following command line:
g++ -g -static -o test test.cpp
test.cpp:
int main() {
struct passwd* pp = getpwuid( 3104 );
printf("%s\n",pp->pw_name);
}
The tripwire package is configured to use the --enable-static option, which
both generates warnings of the type "Using 'getpwuid' in statically linked
applications requires at runtime the shared libraries from the glibc version
used for linking." It seems like this would be ok (it's just a warning, after
all) but the function actually segfaults. I don't know if this counts as a bug
in the getpwuid() function, but it definitely prevents me from using tripwire.
Recompiling the package after removing --enable-static from debian/rules
produced a .deb that works for me.
-- System Information:
Debian Release: 6.0
APT prefers squeeze-updates
APT policy: (500, 'squeeze-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-bpo.5-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages tripwire depends on:
ii debconf [debconf-2.0] 1.5.36.1 Debian configuration management sy
ii postfix [mail-transport-agent 2.7.1-1 High-performance mail transport ag
tripwire recommends no packages.
tripwire suggests no packages.
-- Configuration Files:
/etc/tripwire/twcfg.txt changed [not included]
/etc/tripwire/twpol.txt changed [not included]
-- debconf information:
* tripwire/rebuild-config: true
tripwire/email-report:
tripwire/broken-passphrase:
* tripwire/installed:
tripwire/site-passphrase-incorrect: false
* tripwire/use-localkey: true
tripwire/change-in-default-policy:
* tripwire/use-sitekey: true
tripwire/upgrade: true
* tripwire/rebuild-policy: true
tripwire/local-passphrase-incorrect: false
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