Sun Solaris Pseudo-terminal Driver (pty(7D)) Local Denial Of Service Vulnerability

Bugtraq ID:	33406
Class:	Race Condition Error
CVE:
Remote:	No
Local:	Yes
Published:	Jan 22 2009 12:00AM
Updated:	Jan 29 2009 05:40PM
Credit:	Sun
Vulnerable:	Sun Solaris 9_x86 Sun Solaris 9 Sun Solaris 8_x86 Sun Solaris 8_sparc Sun Solaris 10_x86 Sun Solaris 10 Sun OpenSolaris build snv_95 Sun OpenSolaris build snv_92 Sun OpenSolaris build snv_91 Sun OpenSolaris build snv_90 Sun OpenSolaris build snv_89 Sun OpenSolaris build snv_88 Sun OpenSolaris build snv_87 Sun OpenSolaris build snv_85 Sun OpenSolaris build snv_84 Sun OpenSolaris build snv_83 Sun OpenSolaris build snv_82 Sun OpenSolaris build snv_80 Sun OpenSolaris build snv_77 Sun OpenSolaris build snv_76 Sun OpenSolaris build snv_68 Sun OpenSolaris build snv_67 Sun OpenSolaris build snv_64 Sun OpenSolaris build snv_59 Sun OpenSolaris build snv_57 Sun OpenSolaris build snv_50 Sun OpenSolaris build snv_39 Sun OpenSolaris build snv_36 Sun OpenSolaris build snv_22 Sun OpenSolaris build snv_19 Sun OpenSolaris build snv_13 Sun OpenSolaris build snv_102 Sun OpenSolaris build snv_101 Sun OpenSolaris build snv_100 Sun OpenSolaris build snv_02 Sun OpenSolaris build snv_01 Avaya Interactive Response 4.0 Avaya Interactive Response 3.0 Avaya Interactive Response 2.0 Avaya CMS Server 13.0 Avaya CMS Server 15.0 Avaya CMS Server 14.1 Avaya CMS Server 14.0 Avaya CMS Server 13.1
Not Vulnerable:	Sun OpenSolaris build snv_103

Sun Solaris Pseudo-terminal Driver (pty(7D)) Local Denial Of Service Vulnerability

Sun Solaris pseudo-terminal driver (pty(7D)) module is prone to an unspecified local denial-of-service vulnerability.

Local attackers may exploit this issue to panic a system, denying service to legitimate users.

Sun Solaris Pseudo-terminal Driver (pty(7D)) Local Denial Of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Sun Solaris Pseudo-terminal Driver (pty(7D)) Local Denial Of Service Vulnerability

Solution:
The vendor has released an advisory and fixes. Please see the references for details.


Sun Solaris 10_x86

• Sun 140384-01
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -140384-01-1

Sun Solaris 8_sparc

• Sun 113685-07
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -113685-07-1

Sun Solaris 9

• Sun 140426-01
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -140426-01-1

Sun Solaris 9_x86

• Sun 140427-01
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -140427-01-1

Sun Solaris 8_x86

• Sun 113686-06
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -113686-06-1

Sun Solaris Pseudo-terminal Driver (pty(7D)) Local Denial Of Service Vulnerability

References:

• Sun Solaris Homepage (Sun Microsystems)
  
• 249586 - Security Vulnerability in the Solaris Pseudo-terminal Driver (pty(7D)) (Sun)
  
• ASA-2009-034 Security Vulnerability in the Solaris Pseudo-terminal Driver (pty(7 (Avaya)