CVE-2018-3836

Publication date 24 April 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An exploitable command injection vulnerability exists in the gplotMakeOutput function of Leptonica 1.74.4. A specially crafted gplot rootname argument can cause a command injection resulting in arbitrary code execution. An attacker can provide a malicious path as input to an application that passes attacker data to this function to trigger this vulnerability.

From the Ubuntu Security Team

It was discovered that Leptonica incorrectly handled certain input arguments. An attacker could possibly use this issue to execute arbitrary commands.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
leptonlib	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Fixed 1.73-1ubuntu0.1~esm1
	14.04 LTS trusty	Fixed 1.70.1-1ubuntu0.1~esm1

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Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-4819-1
Leptonica vulnerabilities
15 March 2021