F-Secure WithSecure PE File aegen.dll denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in F-Secure WithSecure. It has been declared as problematic. Affected is an unknown function in the library aegen.dll of the component PE File Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2022-28882. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in F-Secure WithSecure (version now known). It has been declared as problematic. This vulnerability affects some unknown processing in the library aegen.dll of the component PE File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aegen.dll will go into an infinite loop when unpacking PE files. This eventually leads to scanning engine crash. The exploit can be triggered remotely by an attacker.

The weakness was disclosed 08/24/2022. The advisory is shared for download at withsecure.com. This vulnerability was named CVE-2022-28882 since 04/08/2022. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (F-Secure): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/08/2022 🔍
08/24/2022 +138 days 🔍
08/24/2022 +0 days 🔍
09/25/2022 +32 days 🔍

Sourcesinfo

Vendor: f-secure.com

Advisory: withsecure.com
Status: Confirmed

CVE: CVE-2022-28882 (🔍)
GCVE (CVE): GCVE-0-2022-28882
GCVE (VulDB): GCVE-100-207052

Entryinfo

Created: 08/24/2022 09:01
Updated: 09/25/2022 08:48
Changes: 08/24/2022 09:01 (47), 08/24/2022 09:02 (1), 09/25/2022 08:48 (11)
Complete: 🔍
Cache ID: 216::103

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