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RH6.0: squid (RHSA-1999:025-01) Print E-mail
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Posted by LinuxSecurity.com Team   
RedHat Linux cachemgr.cgi, the manager interface to Squid, is installed by default in /home/httpd/cgi-bin. If a web server (such as apache) is running, this can allow remote users to sent connect() requests from the local machine to arbitrary hosts and ports.
 
Red Hat, Inc. Security Advisory
Package squid

Synopsis Potential misuse of squid cachemgr.cgi

Advisory ID RHSA-1999:025-01

Issue Date 1999-07-29

Keywords squid cachemgr.cgi connect



1. Topic:
cachemgr.cgi, the manager interface to Squid, is installed by default in /home/httpd/cgi-bin. If a web server (such as apache) is running, this can allow remote users to sent connect() requests from the local machine to arbitrary hosts and ports.

2. Bug IDs fixed:

3. Relevant releases/architectures:
Red Hat Linux 6.0, all architectures

4. Obsoleted by:
None

5. Conflicts with:
None

6. RPMs required:

Intel:

ftp://updates.Red Hat.com/6.0/i386/

squid- 2.2.STABLE4-5.i386.rpm

Alpha:

ftp://updates.Red Hat.com/6.0/alpha/

squid-2.2.STABLE4-5.alpha.rpm

SPARC:

ftp://updates.Red Hat.com/6.0/sparc/

squid-2.2.STABLE4-5.sparc.rpm

Source:

ftp://updates.Red Hat.com/6.0/SRPMS

squid- 2.2.STABLE4-5.src.rpm

7. Problem description:
A remote user could enter a hostname/IP address and port number, and the cachemgr CGI would attempt to connect to that host and port, printing the error if it fails.

8. Solution:
For each RPM for your particular architecture, run:

rpm -Uvh filename

where filename is the name of the RPM.

Alternatively, you can simply disable the cachemgr.cgi, by editing your http daemons access control files or deleting/moving the cachemgr.cgi binary.

After installing the rpm, please restart squid by typing:

/etc/rc.d/init.d/squid restart

9. Verification:


 MD5 sum                           Package Name

 -------------------------------------------------------------------------

 80d527634fc8d8d2029532a628b3d924  squid-2.2.STABLE4-5.i386.rpm

 65d18747148d7e3dae4249fe65c18c6b  squid-2.2.STABLE4-5.alpha.rpm

 734f84b949752fe39b5e58555210ff51  squid-2.2.STABLE4-5.sparc.rpm

 02a93b0b1985f8d5c77eb8f3e8981eeb  squid-2.2.STABLE4-5.src.rpm





 
These packages are also PGP signed by Red Hat Inc. for security. Our key is available at: http://www.Red Hat.com/corp/contac t.html

You can verify each package with the following command: rpm --checksig

If you only wish to verify that each package has not been corrupted o tampered with, examine only the md5sum with the following command: rpm --checksig --nopgp

10. References:


 
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