CVE-2018-6484 — MEDIUM (6.5)

Vulnerability Description

In ZZIPlib 0.13.67, there is a memory alignment error and bus error in the __zzip_fetch_disk_trailer function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gdraheim	Zziplib	0.13.67
Canonical	Ubuntu Linux	14.04

References

https://github.com/gdraheim/zziplib/issues/14ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/Third Party Advisory
https://github.com/gdraheim/zziplib/issues/14ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/Third Party Advisory

FAQ

What is CVE-2018-6484?

CVE-2018-6484 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In ZZIPlib 0.13.67, there is a memory alignment error and bus error in the __zzip_fetch_disk_trailer function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of ser...

How severe is CVE-2018-6484?

CVE-2018-6484 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-6484?

Check the references section above for vendor advisories and patch information. Affected products include: Gdraheim Zziplib, Canonical Ubuntu Linux.