Buffer overflow in Gdraheim Zziplib
CVE-2018-7726
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.
Vulnerability class: Buffer Overflow
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: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Gdraheim Zziplib — versions 0.13.68
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3699-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3229 (vendor-advisory, Third Party Advisory)
- github.com/gdraheim/zziplib/issues/41 (Exploit, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2020/06/msg00029.html (mailing-list)
Frequently asked questions
- What is CVE-2018-7726?
- CVE-2018-7726 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-03-06.
- How severe is CVE-2018-7726?
- Medium severity. CVSS v3 base score is 6.5 out of 10.