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.
7.4	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in OpenEXR 2.2.0. This issue affects the function storeSSE of the file ImfOptimizedPixelReading.h. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In OpenEXR 2.2.0, an invalid write of size 8 in the storeSSE function in ImfOptimizedPixelReading.h could cause the application to crash or execute arbitrary code.

The bug was discovered 05/12/2017. The weakness was released 05/21/2017 (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2017-9111 since 05/21/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100442 (FreeBSD : OpenEXR -- multiple remote code execution and denial of service vulnerabilities (803879e9-4195-11e7-9b08-080027ef73ec)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277172 (Fedora Security Update for mingw-OpenEXR (FEDORA-2018-f5d2f4ec0d)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100442). Entries connected to this vulnerability are available at 101530, 101532, 101533 and 101534.

Productinfo

Name

• OpenEXR

Version

• 2.2.0

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

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

Nessus ID: 100442
Nessus Name: FreeBSD : OpenEXR -- multiple remote code execution and denial of service vulnerabilities (803879e9-4195-11e7-9b08-080027ef73ec)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802426
OpenVAS Name: Fedora Update for mingw-OpenEXR FEDORA-2018-b152c791cc
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: github.com
Patch: github.com

Timelineinfo

05/12/2017 🔍
05/21/2017 +9 days 🔍
05/21/2017 +0 days 🔍
05/21/2017 +0 days 🔍
05/22/2017 +1 days 🔍
05/25/2017 +3 days 🔍
05/26/2017 +1 days 🔍
12/06/2022 +2020 days 🔍

Sourcesinfo

Advisory: 232
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9111 (🔍)
OSVDB: - CVE-2017-9111 - Openexr - Openexr - Medium

See also: 🔍

Entryinfo

Created: 05/22/2017 08:45
Updated: 12/06/2022 19:01
Changes: 05/22/2017 08:45 (72), 09/30/2020 16:30 (5), 12/06/2022 18:53 (6), 12/06/2022 19:01 (1)
Complete: 🔍

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