Vulnerability CVE-2018-19490
Published: 2018-11-23

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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Opensuse -> LEAP 
Gnuplot -> Gnuplot 
Debian -> Debian linux 

 References:
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/
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