CVE-2018-6836
First published: Thu Feb 08 2018(Updated: )
The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | <=2.4.4 |
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Reference Links
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397
- https://code.wireshark.org/review/#/c/25660/
- https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef
Frequently Asked Questions
What is the severity of CVE-2018-6836?
CVE-2018-6836 has a severity level that indicates it can lead to denial of service due to application crashes.
How do I fix CVE-2018-6836?
To fix CVE-2018-6836, upgrade Wireshark to version 2.4.5 or later, which addresses this vulnerability.
What types of attacks can exploit CVE-2018-6836?
CVE-2018-6836 can be exploited by remote attackers to cause denial of service through application crashes.
Which versions of Wireshark are affected by CVE-2018-6836?
CVE-2018-6836 affects all versions of Wireshark up to and including 2.4.4.
Is CVE-2018-6836 related to memory management issues?
Yes, CVE-2018-6836 involves a free operation on an uninitialized memory address, indicating a memory management issue.
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