PostSRSd up to 1.9 Timestamp Tag srs2.c denial of service

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 (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in PostSRSd up to 1.9. It has been declared as problematic. This vulnerability affects unknown code of the file srs2.c of the component Timestamp Tag Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2020-35573. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in PostSRSd up to 1.9. Affected is some unknown processing of the file srs2.c of the component Timestamp Tag Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was published 12/20/2020 as 4733fb11f6bec6524bb8518c5e1a699288c26bac. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-35573. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 1.10 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PostSRSd 1.10
Patch: github.com

Timelineinfo

12/20/2020 🔍
12/20/2020 +0 days 🔍
12/20/2020 +0 days 🔍

Sourcesinfo

Advisory: 4733fb11f6bec6524bb8518c5e1a699288c26bac
Status: Confirmed

CVE: CVE-2020-35573 (🔍)
GCVE (CVE): GCVE-0-2020-35573
GCVE (VulDB): GCVE-100-166620

Entryinfo

Created: 12/20/2020 08:00
Changes: 12/20/2020 08:00 (40)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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