CVE-2018-19490 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html https://sourceforge.net/p/gnuplot/bugs/2093/ https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/ https://usn.ubuntu.com/4541-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8