CVE-2018-7725: Buffer Overflow
First published: Tue Mar 06 2018(Updated: )
An issue was discovered in ZZIPlib 0.13.68. An invalid memory address dereference was discovered in zzip_disk_fread in mmapped.c. The vulnerability causes an application crash, which leads to denial of service.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/zziplib | <0.13.69 | 0.13.69 |
| debian/zziplib | 0.13.62-3.3+deb11u1 0.13.72+dfsg.1-1.1 0.13.72+dfsg.1-1.2 0.13.72+dfsg.1-1.3 | |
| zziplib | =0.13.68 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.10 | |
| Ubuntu | =18.04 | |
| 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://access.redhat.com/errata/RHSA-2018:3229
- https://github.com/gdraheim/zziplib/issues/39
- https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
- https://usn.ubuntu.com/3699-1/
- https://github.com/gdraheim/zziplib/commit/1ba660b3300d67b8ce9f6b96bbae0b36fa2d6b06
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1554663
- https://github.com/gdraheim/zziplib/commit/596d9dfce2624e849417d4301e8d67935608aa5e
- https://bugzilla.redhat.com/show_bug.cgi?id=1554662
- https://launchpad.net/bugs/cve/CVE-2018-7725
- https://security-tracker.debian.org/tracker/CVE-2018-7725
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7725
- https://nvd.nist.gov/vuln/detail/CVE-2018-7725
- https://ubuntu.com/security/CVE-2018-7725
Frequently Asked Questions
What is the severity of CVE-2018-7725?
CVE-2018-7725 is categorized as a denial of service vulnerability due to an application crash.
How do I fix CVE-2018-7725?
To remediate CVE-2018-7725, update ZZIPlib to version 0.13.69 or later.
Which versions of ZZIPlib are affected by CVE-2018-7725?
ZZIPlib versions before 0.13.69 are vulnerable to CVE-2018-7725, specifically version 0.13.68.
What vulnerability does CVE-2018-7725 exploit?
CVE-2018-7725 exploits an invalid memory address dereference in the zzip_disk_fread function.
What platforms are affected by CVE-2018-7725?
CVE-2018-7725 affects multiple platforms including Red Hat Enterprise Linux and various Ubuntu versions.
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