REDHAT-BUG-1733916: Command Injection
First published: Mon Jul 29 2019(Updated: )
A vulnerability was found in GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch file that contains an ed style diff payload with shell metacharacters. The ed editor does not need to be present on the vulnerable system. This is different from <a href="https://access.redhat.com/security/cve/CVE-2018-1000156">CVE-2018-1000156</a>. Reference: <a href="https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0">https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Patch | <=2.7.6 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2018-1000156
- https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1733917
- https://access.redhat.com/errata/RHSA-2019:2798
- https://access.redhat.com/security/cve/cve-2019-13638
- https://access.redhat.com/errata/RHSA-2019:2964
- https://access.redhat.com/errata/RHSA-2019:3757
- https://access.redhat.com/errata/RHSA-2019:3758
- https://access.redhat.com/errata/RHSA-2019:4061
- https://bugzilla.redhat.com/show_bug.cgi?id=1733916
Frequently Asked Questions
What is the severity of REDHAT-BUG-1733916?
The vulnerability REDHAT-BUG-1733916 is classified as a medium severity issue due to the potential for OS shell command injection.
How do I fix REDHAT-BUG-1733916?
To remediate REDHAT-BUG-1733916, update the GNU patch to version 2.7.7 or later, which addresses the vulnerability.
What products are affected by REDHAT-BUG-1733916?
The vulnerability REDHAT-BUG-1733916 affects GNU patch versions up to and including 2.7.6.
What type of attack does REDHAT-BUG-1733916 facilitate?
REDHAT-BUG-1733916 facilitates OS shell command injection attacks via crafted patch files.
Is the ed editor required for exploiting REDHAT-BUG-1733916?
No, the ed editor does not need to be present on the system to exploit REDHAT-BUG-1733916.
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