CVE-2015-1038
First published: Mon Jan 05 2015(Updated: )
It was reported [1] that p7zip suffers from a directory traversal flaw. This could for the overwriting of arbitrary files through uncompressing a crafted archive, with the privileges of the user running 7z. For example: $ ln -s /tmp foo $ 7z a test.7z foo $ rm foo $ mkdir foo $ echo hello > foo/test $ 7z a test.7z foo/test $ rm -rf foo $ 7z x test.7z This will create 'foo' as a symlink to /tmp which will in turn contain the file 'test' with the privileges of the user unarchiving 'test.7z'. [1] <a href="http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660">http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/p7zip | <=9.04~dfsg.1-1<=9.20.1~dfsg.1-4 | 9.20.1~dfsg.1-4.2 9.04~dfsg.1-1+deb6u1 9.20.1~dfsg.1-4.1+deb8u1 9.20.1~dfsg.1-4+deb7u1 |
| debian/p7zip | 16.02+dfsg-8 16.02+transitional.1 | |
| Fedora | =22 | |
| Fedora | =23 | |
| Oracle Solaris SPARC | =10.0 | |
| Oracle Solaris SPARC | =11.2 | |
| 7-Zip | =9.20.1 |
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Reference Links
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660
- https://bugzilla.redhat.com/show_bug.cgi?id=1179505
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173245.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174245.html
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00000.html
- http://www.debian.org/security/2015/dsa-3289
- http://www.openwall.com/lists/oss-security/2015/01/11/2
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/bid/71890
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99970
- https://security-tracker.debian.org/tracker/CVE-2015-1038
- http://wiki.debian.org/LTS/Development
- https://anonscm.debian.org/viewvc/secure-testing/data/dla-needed.txt?view=markup
- http://www.freexian.com/services/debian-lts.html
- http://debian-handbook.info/get/
- http://sourceforge.net/p/p7zip/bugs/147/
Frequently Asked Questions
What is the severity of CVE-2015-1038?
CVE-2015-1038 has a medium severity rating due to its potential for directory traversal flaws that could lead to file overwriting.
How do I fix CVE-2015-1038?
To fix CVE-2015-1038, upgrade the p7zip package to versions higher than 9.20.1~dfsg.1-4 or apply relevant security patches.
Which versions of p7zip are affected by CVE-2015-1038?
CVE-2015-1038 affects p7zip versions up to and including 9.20.1~dfsg.1-4.
What platforms are impacted by CVE-2015-1038?
CVE-2015-1038 impacts multiple platforms including Debian, Fedora, and Oracle Solaris.
Can I exploit CVE-2015-1038 remotely?
CVE-2015-1038 is not considered a remote exploit, as it requires user interaction to uncompress a crafted archive.
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