Vulnerability Details : 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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2019-10013
- cpe:2.3:a:axtls_project:axtls:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-10013
0.98%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-10013
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-10013
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-10013
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https://www.telekom.com/resource/blob/586416/12097aeb8f9a6bba89a804b94575521a/dl-191121-critical-remote-denial-of-service-vulnerability-i--data.pdf
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https://seclists.org/bugtraq/2019/Nov/44
Bugtraq: [Public Disclosure] Two Denial-of-Service vulnerabilities found in axTLS library (CVE-2019-9689 / CVE-2019-10013)
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https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
Advisories | Deutsche Telekom
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http://axtls.sourceforge.net
axTLS Embedded SSLVendor Advisory
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http://packetstormsecurity.com/files/155500/axTLS-2.1.5-Denial-Of-Service.html
axTLS 2.1.5 Denial Of Service ≈ Packet StormThird Party Advisory;VDB Entry
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