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Sid 1-519

Message

PROTOCOL-TFTP parent directory

Summary

Linux implementations of TFTP would allow access to files outside the restricted directory.

Impact

CVSS base score 6.4 CVSS impact score 4.9 CVSS exploitability score 10.0 confidentialityImpact PARTIAL integrityImpact PARTIAL availabilityImpact PARTIAL

CVE-1999-0183:

CVSS base score 6.4

CVSS impact score 4.9

CVSS exploitability score 10.0

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

CVE-2002-1209:

CVSS base score 5.0

CVSS impact score 2.9

CVSS exploitability score 10.0

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

CVE-2011-4722:

CVSS base score 7.8

CVSS impact score 6.9

CVSS exploitability score 10.0

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

Detailed information

CVE-1999-0183: Linux implementations of TFTP would allow access to files outside the restricted directory.

CVE-2002-1209: Directory traversal vulnerability in SolarWinds TFTP Server 5.0.55, and possibly earlier, allows remote attackers to read arbitrary files via "..\" (dot-dot backslash) sequences in a GET request.

CVE-2011-4722: Directory traversal vulnerability in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold allows remote attackers to read arbitrary files via a .. (dot dot) in the Filename field of an RRQ operation.

Affected systems

  • tftp tftp *
  • linux linux_kernel 2.6.20.1
  • solarwinds tftpserver 5.0.55standard
  • ipswitch tftp_server 1.0.0.24

Ease of attack

CVE-1999-0183:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

CVE-2002-1209:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

CVE-2011-4722:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References