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Slackware: cvs Heap overflow vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Slackware Carefully crafted server requests to run arbitrary programs on the CVS server machine.

[slackware-security]  cvs (SSA:2004-140-01)

New cvs packages are available for Slackware 8.1, 9.0, 9.1, and -current to
fix a buffer overflow vulnerability which could allow an attacker to run
arbitrary programs on the CVS server.  Sites running a CVS server should
upgrade to the new CVS package right away.

More details about this issue may be found in the Common
Vulnerabilities and Exposures (CVE) database:

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0396


Here are the details from the Slackware 9.1 ChangeLog:
+--------------------------+
Wed May 19 14:16:32 PDT 2004
patches/packages/cvs-1.11.16-i486-1.tgz:  Upgraded to cvs-1.11.16.  From
  the NEWS file:
    A potential buffer overflow vulnerability in the server has been fixed.
    Prior to this patch, a malicious client could potentially use carefully
    crafted server requests to run arbitrary programs on the CVS server
    machine.
  For more details, see:
     http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0396
  (* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Updated package for Slackware 8.1: 
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/cvs-1.11.16-i386-1.tgz

Updated package for Slackware 9.0: 
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/cvs-1.11.16-i386-1.tgz

Updated package for Slackware 9.1: 
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/cvs-1.11.16-i486-1.tgz

Updated package for Slackware -current: 
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/d/cvs-1.11.16-i486-1.tgz


MD5 signatures:
+-------------+

Slackware 8.1 package:
331f90ce4d283fb21fb83b5367931a46  cvs-1.11.16-i386-1.tgz

Slackware 9.0 package:
26d5ccf024151d8738abd0c62e78a6ac  cvs-1.11.16-i386-1.tgz

Slackware 9.1 package:
a65697b36eae4b10c7418eea2c3f0c0e  cvs-1.11.16-i486-1.tgz

Slackware -current package:
dc3175ea975873d4e18fcc250e5dba2b  cvs-1.11.16-i486-1.tgz


Installation instructions:
+------------------------+

First, shut down the cvs server if you are running one.

Then, upgrade the package:
# upgradepkg cvs-1.11.16-i486-1.tgz

Finally, restart the CVS server.


+-----+

Slackware Linux Security Team 
http://slackware.com/gpg-key
security@slackware.com

 
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