PT-2019-3973 · Cisco+1 · Cisco Asa+2

Md4 · Published 2019-11-06 · Updated 2024-11-26 · CVE-2019-15992

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco Adaptive Security Appliance (ASA) Software (affected versions not specified) Cisco Firepower Threat Defense (FTD) Software (affected versions not specified)

Description A vulnerability in the implementation of the Lua interpreter integrated in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying Linux operating system of an affected device. The vulnerability is due to insufficient restrictions on the allowed Lua function calls within the context of user-supplied Lua scripts. A successful exploit could allow the attacker to trigger a heap overflow condition and execute arbitrary code with root privileges on the underlying Linux operating system of an affected device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

BDU:2019-04504

CVE-2019-15992

Affected Products

Cisco Asa

Cisco Ftd

Linux

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2019-15992 · Security Note
• https://osv.dev/vulnerability/CVE-2019-15992 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191112-asa-ftd-lua-rce · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-04504 · Security Note
• https://t.me/cibsecurity/14836 · Telegram Post
• https://t.me/cvenotify/56629 · Telegram Post
• https://t.me/cvenotify/15202 · Telegram Post