VDB-119620 · CVE-2018-12503 · ID 81

tinyexr 0.9.5 tinyexr.h LoadEXRImageFromMemory memory corruption

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in tinyexr 0.9.5 and classified as critical. The affected element is the function LoadEXRImageFromMemory of the file tinyexr.h. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2018-12503. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in tinyexr 0.9.5. This vulnerability affects the function LoadEXRImageFromMemory of the file tinyexr.h. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

tinyexr 0.9.5 has a heap-based buffer over-read in LoadEXRImageFromMemory in tinyexr.h.

The bug was discovered 06/10/2018. The weakness was published 06/16/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-12503 since 06/16/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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-119621. 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: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Memory corruption
CWE: CWE-119
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

06/10/2018 🔍
06/16/2018 +5 days 🔍
06/16/2018 +0 days 🔍
06/16/2018 +0 days 🔍
06/17/2018 +1 days 🔍
03/27/2023 +1744 days 🔍

Sourcesinfo

Advisory: 81
Status: Not defined

CVE: CVE-2018-12503 (🔍)
GCVE (CVE): GCVE-0-2018-12503
GCVE (VulDB): GCVE-100-119620
See also: 🔍

Entryinfo

Created: 06/17/2018 09:22
Updated: 03/27/2023 16:55
Changes: 06/17/2018 09:22 (57), 02/19/2020 21:34 (1), 03/27/2023 16:55 (3)
Complete: 🔍
Cache ID: 216:801:103