CVE-2013-0296: Race Condition
First published: Fri Feb 15 2013(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/pigz | <=2.2.4-1<=2.1.6-1 | 2.2.4-2 2.1.6-1+squeeze1 |
| debian/pigz | 2.6-1 2.8-1 | |
| Pigz | <=2.2.4-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00106.html
- http://mail.zlib.net/pipermail/pigz-announce_zlib.net/2012-July/000006.html
- http://www.openwall.com/lists/oss-security/2013/02/15/4
- http://www.openwall.com/lists/oss-security/2013/02/16/3
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700608
- https://security-tracker.debian.org/tracker/CVE-2013-0296
Frequently Asked Questions
What is the severity of CVE-2013-0296?
CVE-2013-0296 is considered a medium severity vulnerability due to the risk of local users bypassing access permissions.
How do I fix CVE-2013-0296?
To fix CVE-2013-0296, upgrade pigz to version 2.2.5 or later.
Which versions of pigz are affected by CVE-2013-0296?
CVE-2013-0296 affects pigz versions prior to 2.2.5, including 2.2.4-2 and 2.1.6-1+squeeze1.
Can CVE-2013-0296 be exploited by remote attackers?
CVE-2013-0296 cannot be exploited by remote attackers; it can only be exploited by local users.
What type of vulnerability is CVE-2013-0296?
CVE-2013-0296 is a race condition vulnerability that affects file permission settings during compression.
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