CVE-2015-5218: Buffer Overflow
First published: Wed Sep 02 2015(Updated: )
A flaw was reported in colcrt: When running colcrt with a big input it crashes because of a global-buffer-overflow caused by a global variable 'page' defined in 'text-utils/colcrt.c:73:9 It is unclear whether this can be used to execute code on the system. Proposed patches: <a href="https://github.com/kerolasa/lelux-utiliteetit/commit/70e3fcf293c1827a2655a86584ab13075124a8a8">https://github.com/kerolasa/lelux-utiliteetit/commit/70e3fcf293c1827a2655a86584ab13075124a8a8</a> <a href="https://github.com/kerolasa/lelux-utiliteetit/commit/d883d64d96ab9bef510745d064a351145b9babec">https://github.com/kerolasa/lelux-utiliteetit/commit/d883d64d96ab9bef510745d064a351145b9babec</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/util-linux | <2.27 | 2.27 |
| kernel util-linux | <=2.22 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 | |
| openSUSE Leap | =42.1 |
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Reference Links
- https://github.com/kerolasa/lelux-utiliteetit/commit/70e3fcf293c1827a2655a86584ab13075124a8a8
- https://github.com/kerolasa/lelux-utiliteetit/commit/d883d64d96ab9bef510745d064a351145b9babec
- http://www.spinics.net/lists/util-linux-ng/msg11873.html
- https://www.kernel.org/pub/linux/utils/util-linux/v2.27/v2.27-ReleaseNotes
- https://access.redhat.com/security/updates/classification/
- https://bugzilla.redhat.com/show_bug.cgi?id=1259322
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00035.html
Frequently Asked Questions
What is the severity of CVE-2015-5218?
The severity of CVE-2015-5218 is not clearly defined, but it involves a global buffer overflow that may lead to crashes.
How do I fix CVE-2015-5218?
To fix CVE-2015-5218, you should upgrade to util-linux version 2.27 or later.
What software is affected by CVE-2015-5218?
CVE-2015-5218 affects versions of util-linux prior to 2.27, as well as specific versions of openSUSE.
Can CVE-2015-5218 be exploited to execute code?
It is unclear whether CVE-2015-5218 can be exploited to execute code on the system.
What is the nature of the flaw in CVE-2015-5218?
The flaw in CVE-2015-5218 is a global buffer overflow that occurs when colcrt is run with large inputs.
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