File Policy Bypass in Cisco Firepower System Software
CVE-2018-0138

5.3MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Firepower System Software
Vendor
CVE Published:
8 February 2018

What is CVE-2018-0138?

A flaw in the detection engine of Cisco Firepower System Software allows unauthenticated remote attackers to bypass configured file policies that restrict file transmissions via the BitTorrent protocol. The issue arises due to incorrect handling of BitTorrent handshake messages, enabling attackers to exploit the vulnerability by sending specially crafted connection requests to an affected device. Successfully executing this exploit could lead to unauthorized file transmissions, undermining security measures intended to protect the network. For further details, refer to Cisco Bug IDs: CSCve26946.

Affected Version(s)

Cisco Firepower System Software Cisco Firepower System Software

References

https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM
http://www.securityfocus.com/bid/102978
vdb-entryx_refsource_BID

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2018-0138 : File Policy Bypass in Cisco Firepower System Software