REDHAT-BUG-1564326
First published: Fri Apr 06 2018(Updated: )
GNU patch does not properly sanitize patch files allowing for malicious patches to pass arbitrary shell commands to ed. An attacker could exploit this by tricking a user into applying malicious patches with the patch command.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Patch |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1564327
- http://rachelbythebay.com/w/2018/04/05/bangpatch/
- https://savannah.gnu.org/bugs/?53566
- http://git.savannah.gnu.org/cgit/patch.git/commit/?id=123eaff0d5d1aebe128295959435b9ca5909c26d
- https://access.redhat.com/errata/RHSA-2018:1199
- https://access.redhat.com/errata/RHSA-2018:1200
- https://access.redhat.com/errata/RHSA-2018:2096
- https://access.redhat.com/errata/RHSA-2018:2093
- https://access.redhat.com/errata/RHSA-2018:2095
- https://access.redhat.com/errata/RHSA-2018:2094
- https://access.redhat.com/errata/RHSA-2018:2097
- https://access.redhat.com/errata/RHSA-2018:2092
- https://access.redhat.com/errata/RHSA-2018:2091
- https://bugzilla.redhat.com/show_bug.cgi?id=1564326
Frequently Asked Questions
What is the severity of REDHAT-BUG-1564326?
The severity of REDHAT-BUG-1564326 is considered high due to the potential for arbitrary command execution.
How do I fix REDHAT-BUG-1564326?
To fix REDHAT-BUG-1564326, update the GNU patch software to the latest version provided by your vendor.
What platforms are affected by REDHAT-BUG-1564326?
REDHAT-BUG-1564326 affects systems utilizing the GNU patch utility.
Who is affected by REDHAT-BUG-1564326?
Users of the GNU patch command who apply untrusted patches are particularly at risk from REDHAT-BUG-1564326.
What type of attack does REDHAT-BUG-1564326 enable?
REDHAT-BUG-1564326 enables attackers to execute arbitrary shell commands through malicious patch files.
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