Leptonica up to 1.75.3 Incomplete Fix CVE-2018-3836 gplotMakeOutput $(command) command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Leptonica up to 1.75.3. It has been classified as critical. Affected is the function gplotMakeOutput of the component Incomplete Fix CVE-2018-3836. The manipulation of the argument $(command) as part of Argument leads to command injection. This vulnerability is listed as CVE-2018-7440. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Leptonica up to 1.75.3 and classified as critical. This issue affects the function gplotMakeOutput of the component Incomplete Fix CVE-2018-3836. The manipulation of the argument $(command) as part of a Argument leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function allows command injection via a $(command) approach in the gplot rootname argument. This issue exists because of an incomplete fix for CVE-2018-3836.

The bug was discovered 02/06/2018. The weakness was presented 02/23/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-7440 since 02/23/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107152 (Debian DLA-1302-1 : leptonlib security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107152). See VDB-113785 and VDB-113784 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 107152
Nessus Name: Debian DLA-1302-1 : leptonlib security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870040
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1302-1] leptonlib security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

02/06/2018 🔍
02/23/2018 +17 days 🔍
02/23/2018 +0 days 🔍
02/23/2018 +0 days 🔍
02/24/2018 +1 days 🔍
03/07/2018 +11 days 🔍
03/07/2018 +0 days 🔍
02/10/2023 +1801 days 🔍

Sourcesinfo

Advisory: 303
Status: Not defined

CVE: CVE-2018-7440 (🔍)
GCVE (CVE): GCVE-0-2018-7440
GCVE (VulDB): GCVE-100-113783
See also: 🔍

Entryinfo

Created: 02/24/2018 12:32
Updated: 02/10/2023 08:32
Changes: 02/24/2018 12:32 (72), 01/08/2020 13:25 (3), 02/10/2023 08:28 (4), 02/10/2023 08:32 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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