VDB-182359 · CVE-2020-19143 · GCVE-0-2020-19143

LibTIFF 4.0.10 libtiff/tif_dir.c TIFFVGetField buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in LibTIFF 4.0.10. Affected by this issue is the function TIFFVGetField of the file libtiff/tif_dir.c. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2020-19143. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in LibTIFF 4.0.10 (Image Processing Software). Affected by this vulnerability is the function TIFFVGetField of the file libtiff/tif_dir.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability.

The weakness was shared 09/09/2021. It is possible to read the advisory at bugzilla.maptools.org. This vulnerability is known as CVE-2020-19143. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Image Processing Software

Name

LibTIFF

Version

4.0.10

License

open-source

Website

Product: http://www.libtiff.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
09/09/2021 +392 days 🔍
09/09/2021 +0 days 🔍
09/12/2021 +3 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: bugzilla.maptools.org
Status: Not defined

CVE: CVE-2020-19143 (🔍)
GCVE (CVE): GCVE-0-2020-19143
GCVE (VulDB): GCVE-100-182359

Entryinfo

Created: 09/09/2021 19:28
Updated: 09/12/2021 10:16
Changes: 09/09/2021 19:28 (50), 09/12/2021 10:10 (2), 09/12/2021 10:16 (1)
Complete: 🔍
Cache ID: 216::103