Vulnerability in Gdraheim Zziplib
CVE-2018-6540
In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Gdraheim Zziplib — versions 0.13.67
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
References
- usn.ubuntu.com/3699-1/ (vendor-advisory, Third Party Advisory)
- github.com/gdraheim/zziplib/issues/15 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00029.html (mailing-list)
Frequently asked questions
- What is CVE-2018-6540?
- CVE-2018-6540 is a medium-severity vulnerability in Gdraheim Zziplib. CVSS score: 6.5/10. Published 2018-02-02.
- How severe is CVE-2018-6540?
- Medium severity. CVSS v3 base score is 6.5 out of 10.