Vulnerability CVE-2013-0296
Published: 2014-04-27   Modified: 2014-04-28

Description:
Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those of the original file, which might allow local users to bypass intended access permissions while compression is occurring.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
ZLIB -> PIGZ 

 References:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700608
http://www.openwall.com/lists/oss-security/2013/02/16/3
http://www.openwall.com/lists/oss-security/2013/02/15/4
http://mail.zlib.net/pipermail/pigz-announce_zlib.net/2012-July/000006.html
http://lists.opensuse.org/opensuse-updates/2013-03/msg00106.html
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