Vulnerability CVE-2005-2991
Published: 2005-09-20   Modified: 2012-02-12

Description:
ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

See advisories in our WLB2 database:
Topic
Author
Date
Low
ncompress insecure temporary file creation
ZATAZ Audits (ex...
17.09.2005

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ncompress -> Ncompress 

 References:
http://www.zataz.net/adviso/ncompress-09052005.txt
http://marc.theaimsgroup.com/?l=full-disclosure&m=112688098630314&w=2
http://marc.theaimsgroup.com/?l=bugtraq&m=112689772732098&w=2
http://securityreason.com/securityalert/12
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