CVE-2018-7727
First published: Tue Mar 06 2018(Updated: )
An issue was discovered in ZZIPlib 0.13.68. There is a memory leak triggered in the function zzip_mem_disk_new in memdisk.c, which will lead to a denial of service attack.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/zziplib | <0.13.62-3ubuntu0.16.04.2+ | 0.13.62-3ubuntu0.16.04.2+ |
| ubuntu/zziplib | <0.13.62-3.1ubuntu0.18.04.1+ | 0.13.62-3.1ubuntu0.18.04.1+ |
| ubuntu/zziplib | <0.13.62-3.2ubuntu1.1 | 0.13.62-3.2ubuntu1.1 |
| debian/zziplib | <=0.13.62-3.2+deb10u1<=0.13.62-3.3+deb11u1<=0.13.72+dfsg.1-1.1 | |
| redhat/zziplib | <0.13.69 | 0.13.69 |
| zziplib | =0.13.68 | |
| redhat enterprise Linux desktop | =7.0 | |
| redhat enterprise Linux server | =7.0 | |
| redhat enterprise Linux workstation | =7.0 |
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Reference Links
- https://github.com/gdraheim/zziplib/issues/40
- https://access.redhat.com/errata/RHSA-2018:3229
- https://launchpad.net/bugs/cve/CVE-2018-7727
- https://github.com/gdraheim/zziplib/commit/83a2da55922f67e07f22048ac9671a44cc0d35c4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1554673
- https://bugzilla.redhat.com/show_bug.cgi?id=1554676
- https://security-tracker.debian.org/tracker/CVE-2018-7727
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7727
- https://ubuntu.com/security/notices/USN-6298-1
- https://nvd.nist.gov/vuln/detail/CVE-2018-7727
- https://ubuntu.com/security/CVE-2018-7727
Frequently Asked Questions
What is the severity of CVE-2018-7727?
CVE-2018-7727 has a severity rating that indicates it may lead to denial of service due to a memory leak.
How do I fix CVE-2018-7727?
To fix CVE-2018-7727, upgrade to versions of zziplib below 0.13.68, specifically 0.13.62-3.2ubuntu1.1 or later.
Which zziplib versions are affected by CVE-2018-7727?
CVE-2018-7727 specifically affects zziplib version 0.13.68.
What systems are vulnerable to CVE-2018-7727?
CVE-2018-7727 affects systems running zziplib version 0.13.68, particularly those on Ubuntu and Red Hat platforms.
What is the exploit type for CVE-2018-7727?
CVE-2018-7727 is classified as a denial of service exploit due to a memory leak.
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