CVE-2018-6952: Double Free
First published: Tue Feb 13 2018(Updated: )
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Patch | <=2.7.6 |
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Reference Links
- http://www.securityfocus.com/bid/103047
- https://access.redhat.com/errata/RHSA-2019:2033
- https://savannah.gnu.org/bugs/index.php?53133
- https://security.gentoo.org/glsa/201904-17
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1545054
- https://access.redhat.com/security/cve/cve-2018-6952
- https://bugzilla.redhat.com/show_bug.cgi?id=1545053
Frequently Asked Questions
What is the severity of CVE-2018-6952?
CVE-2018-6952 is classified as a high severity vulnerability due to the potential for crash and denial of service.
How do I fix CVE-2018-6952?
To fix CVE-2018-6952, upgrade GNU patch to version 2.7.7 or later.
What exploitation methods are associated with CVE-2018-6952?
Exploitation of CVE-2018-6952 involves supplying a crafted patch file that triggers the double free condition.
What are the implications of CVE-2018-6952 on system stability?
CVE-2018-6952 can lead to unpredictable application behavior, including crashes, impacting overall system stability.
Which versions of GNU patch are affected by CVE-2018-6952?
All versions of GNU patch up to and including 2.7.6 are affected by CVE-2018-6952.
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