Vulnerability Description
In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gdraheim | Zziplib | 0.13.67 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-6381
- https://github.com/gdraheim/zziplib/issues/12ExploitIssue TrackingThird 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/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-6381
- https://github.com/gdraheim/zziplib/issues/12ExploitIssue TrackingThird 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-2018-6381?
CVE-2018-6381 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_...
How severe is CVE-2018-6381?
CVE-2018-6381 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-2018-6381?
Check the references section above for vendor advisories and patch information. Affected products include: Gdraheim Zziplib, Canonical Ubuntu Linux.