Buffer overflow in Nongnu Zutils
CVE-2018-1000637
zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. This vulnerability appears to have been fixed in 1.8-pre2.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.0% 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
- Nongnu Zutils — versions 1.8
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- bugs.debian.org/904819 (Mailing List, Third Party Advisory, Issue Tracking)
- lists.nongnu.org/archive/html/zutils-bug/2018-08/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1000637?
- CVE-2018-1000637 is a high-severity vulnerability in Nongnu Zutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-08-20.
- How severe is CVE-2018-1000637?
- High severity. CVSS v3 base score is 7.8 out of 10.