VDB-204080 · CVE-2020-23561 · GCVE-0-2020-23561

Irfan Skiljan IrfanView 4.54 FORMATS!ShowPlugInSaveOptions_W 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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Irfan Skiljan IrfanView 4.54. This affects the function FORMATS!ShowPlugInSaveOptions_W. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2020-23561. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Irfan Skiljan IrfanView 4.54 (Image Processing Software) and classified as critical. Affected by this issue is the function FORMATS!ShowPlugInSaveOptions_W. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x0000000000005722.

The weakness was published 07/18/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2020-23561 since 08/13/2020. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/01/2022).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Image Processing Software

Vendor

Irfan Skiljan

Name

IrfanView

Version

4.54

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 5.5
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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

08/13/2020 🔍
07/18/2022 +704 days 🔍
07/18/2022 +0 days 🔍
08/01/2022 +14 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-23561 (🔍)
GCVE (CVE): GCVE-0-2020-23561
GCVE (VulDB): GCVE-100-204080

Entryinfo

Created: 07/18/2022 08:36
Updated: 08/01/2022 16:34
Changes: 07/18/2022 08:36 (39), 07/18/2022 11:00 (1), 08/01/2022 16:34 (11)
Complete: 🔍
Cache ID: 216::103