SoftEther VPN 5.01.9674/5.02 vpnserver EnSafeHttpHeaderValueStr out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in SoftEther VPN 5.01.9674/5.02. Affected is the function EnSafeHttpHeaderValueStr of the component vpnserver. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2023-23581. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in SoftEther VPN 5.01.9674/5.02 (Network Encryption Software). It has been classified as critical. This affects the function EnSafeHttpHeaderValueStr of the component vpnserver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

A denial-of-service vulnerability exists in the vpnserver EnSafeHttpHeaderValueStr functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service.

The weakness was presented 10/12/2023 as TALOS-2023-1741. It is possible to read the advisory at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-23581 since 04/04/2023. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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

04/04/2023 🔍
10/12/2023 +191 days 🔍
10/12/2023 +0 days 🔍
10/12/2023 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1741
Status: Not defined

CVE: CVE-2023-23581 (🔍)
GCVE (CVE): GCVE-0-2023-23581
GCVE (VulDB): GCVE-100-242043

Entryinfo

Created: 10/12/2023 18:29
Changes: 10/12/2023 18:29 (51)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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