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CVE-2018-19492

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Date: November 23, 2018

An issue was discovered in cairo.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the cairotrm_options function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when the Gnuplot pngcairo terminal is used as a backend.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2018-19492
https://sourceforge.net/p/gnuplot/bugs/2089/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html
https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19492
https://usn.ubuntu.com/4541-1/
https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/
https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html
https://security-tracker.debian.org/tracker/CVE-2018-19492
https://www.mend.io/vulnerability-database/CVE-2018-19492

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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