Cameron Hamilton-Rich axTLS up to asn1.c get_asn1_length Crafted Certificate buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cameron Hamilton-Rich axTLS up to asn1.c. The affected element is the function get_asn1_length of the file asn1.c. The manipulation as part of Crafted Certificate leads to buffer overflow. This vulnerability is listed as CVE-2019-10013. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cameron Hamilton-Rich axTLS up to asn1.c. This issue affects the function get_asn1_length of the file asn1.c. The manipulation as part of a Crafted Certificate leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted certificate in the TLS certificate handshake message, because the result of get_asn1_length() is not checked for a minimum or maximum size.

The weakness was presented 12/03/2019. The identification of this vulnerability is CVE-2019-10013 since 03/24/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

03/24/2019 🔍
12/03/2019 +254 days 🔍
12/04/2019 +1 days 🔍
03/05/2024 +1553 days 🔍

Sourcesinfo

Advisory: 155500
Status: Not defined

CVE: CVE-2019-10013 (🔍)
GCVE (CVE): GCVE-0-2019-10013
GCVE (VulDB): GCVE-100-146603

Entryinfo

Created: 12/04/2019 09:22
Updated: 03/05/2024 17:59
Changes: 12/04/2019 09:22 (37), 12/04/2019 09:27 (17), 03/05/2024 17:59 (4)
Complete: 🔍
Submitter: misc
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #123: Denial-of-Service vulnerability in axTLS library (by misc)

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

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