PT-2019-19799 · Axtls · Axtls

Published 2019-12-03 · Updated 2019-12-20 · CVE-2019-9689

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions axTLS versions 2.1.5 and earlier

Description The issue is related to a buffer overflow in the process certificate function in tls1.c due to a crafted TLS certificate handshake message with zero certificates.

Recommendations For axTLS versions 2.1.5 and earlier, as a temporary workaround, consider disabling the process certificate function until a patch is available.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2019-9689

Affected Products

Axtls

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2019-9689 · Security Note
• https://cve.org/CVERecord?id=CVE-2019-9689 · Security Note
• https://ubuntu.com/security/CVE-2019-9689 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-9689 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-9689 · Vendor Advisory
• https://seclists.org/bugtraq/2019/Nov/44 · Note
• http://axtls.sourceforge.net · Note
• http://packetstormsecurity.com/files/155500/axTLS-2.1.5-Denial-Of-Service.html · Note
• https://telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842 · Note
• https://telekom.com/resource/blob/586428/51ae062269fbcb068bd20379f87f1398/dl-191121-critical-remote-denial-of-service-vulnerability-ii--data.pdf · Note