Buffer overflow in Gnuplot
CVE-2018-19490
An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.
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: 0.018 (77.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Gnuplot — versions 5.2.5
- Debian Linux — versions 8.0
- openSUSE Leap — versions 15.0
Weakness classification (CWE)
References
- sourceforge.net/p/gnuplot/bugs/2093/ (Exploit, Third Party Advisory)
- sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00035.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00031.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4541-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-19490?
- CVE-2018-19490 is a high-severity vulnerability in Gnuplot, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-23.
- How severe is CVE-2018-19490?
- High severity. CVSS v3 base score is 7.8 out of 10.