CVE-2018-7726: Buffer Overflow
First published: Tue Mar 06 2018(Updated: )
An issue was discovered in ZZIPlib 0.13.68. There is a bus error caused by the __zzip_parse_root_directory function of zip.c. Attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.
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/41
- https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
- https://usn.ubuntu.com/3699-1/
- https://github.com/gdraheim/zziplib/issues/27
- https://github.com/gdraheim/zziplib/commit/8f48323c181e20b7e527b8be7229d6eb1148ec5f
- https://github.com/gdraheim/zziplib/commit/19c9e4dc6c5cf92a38d0d23dbccac6993f9c41be
- https://github.com/gdraheim/zziplib/commit/feae4da1a5c92100c44ebfcbaaa895959cc0829b
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1554673
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1545813
- https://bugzilla.redhat.com/show_bug.cgi?id=1554672
- https://launchpad.net/bugs/cve/CVE-2018-7726
- https://security-tracker.debian.org/tracker/CVE-2018-7726
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7726
- https://nvd.nist.gov/vuln/detail/CVE-2018-7726
- https://ubuntu.com/security/CVE-2018-7726
Frequently Asked Questions
What is the severity of CVE-2018-7726?
CVE-2018-7726 has a severity rating that indicates it can lead to denial of service.
How do I fix CVE-2018-7726?
To mitigate CVE-2018-7726, upgrade ZZIPlib to version 0.13.69 or later.
Which versions of ZZIPlib are affected by CVE-2018-7726?
ZZIPlib versions up to and including 0.13.68 are affected by CVE-2018-7726.
Can CVE-2018-7726 be exploited remotely?
Yes, CVE-2018-7726 can be exploited remotely through the use of a crafted zip file.
What is the nature of CVE-2018-7726 vulnerability?
CVE-2018-7726 is a bus error vulnerability resulting from improper handling of zip file parsing.
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