Arbitrary code execution in Leptonica



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-3836
CWE-ID CWE-77
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Leptonica
Universal components / Libraries / Libraries used by multiple products

Vendor DanBloomberg

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Command injection

EUVDB-ID: #VU10359

Risk: Low

CVSSv4.0: 5.9 [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:U/U:Clear]

CVE-ID: CVE-2018-3836

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to inject arbitrary commands.

The weakness exists in the gplotMakeOutput function due to insufficient validation of user-supplied input. A local attacker can submit a specially crafted gplot rootname argument, inject arbitrary commands and execute arbitrary code with system or root privileges.

Successful exploitation of the vulnerabiiity may result in system compromise.

Mitigation

Update to version 1.75.1.

Vulnerable software versions

Leptonica: 1.74.4

CPE2.3 External links

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0516


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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