high
7.8
CWE
119 787
Advisory Published
CVE Published
Updated

CVE-2018-19490: Buffer Overflow

First published: Fri Nov 23 2018(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
ubuntu/gnuplot<4.6.6-3ubuntu0.1
4.6.6-3ubuntu0.1
debian/gnuplot<=5.4.1+dfsg1-1+deb11u1<=5.4.4+dfsg1-2<=6.0.0+dfsg1-3
Gnuplot=5.2.5
Debian Linux=8.0
SUSE Linux=15.0

Remedy

https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2018-19490?

    CVE-2018-19490 is categorized as a critical vulnerability due to its potential to allow heap-based buffer overflow attacks.

  • How do I fix CVE-2018-19490?

    To mitigate CVE-2018-19490, users should upgrade to Gnuplot version 4.6.6-3ubuntu0.1 or a later version.

  • Who is affected by CVE-2018-19490?

    CVE-2018-19490 affects Gnuplot versions up to and including 5.2.5 and certain distributions like Debian and openSUSE.

  • What kind of attacks can exploit CVE-2018-19490?

    CVE-2018-19490 can be exploited to conduct arbitrary code execution attacks due to buffer overflow.

  • Is CVE-2018-19490 exploitable remotely?

    Yes, CVE-2018-19490 can be exploited remotely if an attacker manipulates the input string passed to the vulnerable Gnuplot function.

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