CVE-2019-10013 - 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

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HIGH

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

Published Dec 3, 2019

7.5

HIGH

CVSS 3.1

EPSS 1.91%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-120

Classic Buffer Overflow

References (5)

http://axtls.sourceforge.net
x_refsource_MISCVendor Advisory
http://packetstormsecurity.com/files/155500/axTLS-2.1.5-Denial-Of-Service.html
x_refsource_MISCThird Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2019/Nov/44
mailing-listx_refsource_BUGTRAQ
https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
x_refsource_MISC
https://www.telekom.com/resource/blob/586416/12097aeb8f9a6bba89a804b94575521a/dl-191121-critical-remote-denial-of-service-vulnerability-i--data.pdf
x_refsource_MISC

Link	Providers	Tags
http://axtls.sourceforge.net		x_refsource_MISCVendor Advisory
http://packetstormsecurity.com/files/155500/axTLS-2.1.5-Denial-Of-Service.html		x_refsource_MISCThird Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2019/Nov/44		mailing-listx_refsource_BUGTRAQ
https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842		x_refsource_MISC
https://www.telekom.com/resource/blob/586416/12097aeb8f9a6bba89a804b94575521a/dl-191121-critical-remote-denial-of-service-vulnerability-i--data.pdf		x_refsource_MISC