Remote code execution in Leptonica

1) Command injection

EUVDB-ID: #VU11188

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-7440

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.

The weakness exists in the gplotMakeOutput function due to insufficient validation of commands used in the gplot rootname argument. A remote attacker can execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Leptonica: 1.65 - 1.75.3

CPE2.3

• cpe:2.3:a:danbloomberg:leptonica:1.65:*:*:*:*:*:*:*
• cpe:2.3:a:danbloomberg:leptonica:1.66:*:*:*:*:*:*:*
• cpe:2.3:a:danbloomberg:leptonica:1.67:*:*:*:*:*:*:*

External links

https://github.com/DanBloomberg/leptonica/issues/303#issuecomment-366472212

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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