Buffer overflow in Gnuplot - CVE-2018-19492
Published: November 28, 2018
Vulnerability identifier: #VU16146
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-19492
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Gnuplot
Affected software:
Gnuplot
Gnuplot
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists in the cairo.trm source code file due to boundary error when the pngcairo terminal is used. A local attacker can make a specially crafted request that sa malicious argument to be passed to the set font function, trigger memory corruption condition and cause a DoS condition or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-19492
Install update from vendor's website.