CVE-2014-2893
First published: Mon Apr 14 2014(Updated: )
Jakub Wilk discovered that clang's scan-build utility insecurely handled temporary files. A local attacker could use this flaw to perform a symbolic link attack against users running the scan-build utility. Original report: <a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=744817">https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=744817</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/llvm-toolchain-3.3 | ||
| SUSE Linux | =13.1 | |
| Clang | <=3.5 |
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Reference Links
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=744817
- https://bugzilla.redhat.com/show_bug.cgi?id=1088105
- https://security-tracker.debian.org/tracker/CVE-2014-2893
- http://openwall.com/lists/oss-security/2014/03/09/1
- http://cve.mitre.org/cve/request_id.html
- http://llvm.org/viewvc/llvm-project?view=revision&revision=211051
- http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/scan-build/scan-build?r1=210971&r2=211051&pathrev=211051
- http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/scan-build/scan-build?r1=210971&r2=211053&pathrev=211053
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00038.html
- http://www.openwall.com/lists/oss-security/2014/04/16/2
- http://www.openwall.com/lists/oss-security/2014/04/20/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1088107
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1088108
- https://access.redhat.com/security/cve/CVE-2014-2893
- http://seclists.org/oss-sec/2014/q2/144
Frequently Asked Questions
What is the severity of CVE-2014-2893?
CVE-2014-2893 is considered a security vulnerability that can lead to local denial of service or unauthorized access due to improper handling of temporary files.
How do I fix CVE-2014-2893?
To mitigate CVE-2014-2893, update clang and llvm-toolchain to versions that are not affected by this vulnerability.
What type of attack is possible with CVE-2014-2893?
CVE-2014-2893 allows local attackers to perform symbolic link attacks against users running the scan-build utility.
Which software packages are affected by CVE-2014-2893?
CVE-2014-2893 affects clang versions up to 3.5 and the llvm-toolchain-3.3 in Debian and openSUSE 13.1.
Who discovered CVE-2014-2893?
CVE-2014-2893 was discovered by researcher Jakub Wilk.
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