35014 : SSH Tectia Server for IBM z/OS pid File Permission Weakness Local
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	559	over 4 years ago	over 2 years ago	1 times	90%

Timeline

Disclosure Date	Exploit Publish Date
2007-05-28	2007-05-28

Description

SSH Tectia Server for IBM z/OS contains a flaw that may allow a local denial of service. The issue is triggered due to the pid file permissions are world-writable, allowing a local attacker to modify the pid content into an arbitrary process ID which will be processed during start or stop operations by the SSH daemon scripts. This flaw could results in a loss of availability for the system.

Classification

Location: Local Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Public
Disclosure: OSVDB Verified, Vendor Verified
OSVDB: Security Software

Solution

Upgrade to version 5.4.0 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

SSH Communications Security	SSH Tectia Server	5.3.0 for IBM z/OS
		5.2.0 for IBM z/OS (not affected)
		5.1.0 for IBM z/OS (not affected)

References

Security Tracker: 1017913
CVE ID: 2007-2063 (see also: NVD)
Bugtraq ID: 23508
Secunia Advisory ID: 24916
SCIP VulDB ID: 3020
ISS X-Force ID: 33699
VUPEN Advisory: ADV-2007-1414
Vendor Specific News/Changelog Entry: http://www.ssh.com/documents/33/SSH_Tectia_Server_5.4.0_zOS_releasenotes.txt

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.4
Source: nvd.nist.gov | Generated: 2007-04-18 | Disagree?

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