Slackware: cvs Heap overflow vulnerability
Posted by 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:

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
  For more details, see:
  (* Security fix *)

Where to find the new packages:

Updated package for Slackware 8.1:

Updated package for Slackware 9.0:

Updated package for Slackware 9.1:

Updated package for Slackware -current:

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