tinyexr 0.9.5 tinyexr.h DecodePixelData input validation

HistoryDiffrelatejsonxmlCTI

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in tinyexr 0.9.5. This affects the function DecodePixelData of the file tinyexr.h. The manipulation results in input validation. This vulnerability is known as CVE-2018-12687. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in tinyexr 0.9.5. Affected is the function DecodePixelData of the file tinyexr.h. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

tinyexr 0.9.5 has an assertion failure in DecodePixelData in tinyexr.h.

The bug was discovered 06/16/2018. The weakness was published 06/22/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-12687 since 06/22/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

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

Similar entry is available at VDB-119821. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

tinyexr

Version

0.9.5

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

06/16/2018 🔍
06/22/2018 +5 days 🔍
06/22/2018 +0 days 🔍
06/22/2018 +0 days 🔍
06/23/2018 +1 days 🔍
03/28/2023 +1739 days 🔍

Sourcesinfo

Advisory: 84
Status: Not defined

CVE: CVE-2018-12687 (🔍)
GCVE (CVE): GCVE-0-2018-12687
GCVE (VulDB): GCVE-100-119820
See also: 🔍

Entryinfo

Created: 06/23/2018 08:42
Updated: 03/28/2023 16:28
Changes: 06/23/2018 08:42 (57), 02/21/2020 11:57 (1), 03/28/2023 16:28 (3)
Complete: 🔍
Cache ID: 216::103