Memory Corruption Vulnerability in Cisco Adaptive Security Appliances
CVE-2018-0101

10CRITICAL

Key Information:

Vendor

Cisco
Status
Cisco Adaptive Security Appliance
Vendor
CVE Published:
29 January 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 90%

What is CVE-2018-0101?

A vulnerability in the SSL VPN functionality of Cisco's Adaptive Security Appliance (ASA) Software could allow attackers to remotely execute code or reload the device. This flaw arises from a double free condition in memory management when the webvpn feature is enabled. Attackers can exploit this issue by sending crafted XML packets to the webvpn interface, potentially gaining full control over the affected system. This vulnerability impacts various Cisco products, including the ASA 5500 and Firepower series, underscoring the importance of timely updates and security measures.

Affected Version(s)

Cisco Adaptive Security Appliance Cisco Adaptive Security Appliance

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

ciscoasa_honeypot
Created by Cymmetria

CVE-2018-0101-DOS-POC
Created by 1337g

References

https://icanthackit.wordpress.com/2018/01/30/thoughts-on-...
x_refsource_MISC
http://www.securityfocus.com/bid/102845
vdb-entryx_refsource_BID
https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM

EPSS Score

90% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2018-0101 : Memory Corruption Vulnerability in Cisco Adaptive Security Appliances